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Customer Ratings & Reviews

Your price for this item is $299.99
The comparable value price is $449.99

Customer reviews

Rating 4.6 out of 5 stars with 170 reviews

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  • Value

    Rating 4.6 out of 5 stars

  • Quality

    Rating 4.7 out of 5 stars

  • Ease of Use

    Rating 4.6 out of 5 stars

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93%would recommend to a friend

Customers are saying

Customers love the Double Stack XL Countertop Oven & Air Fryer with Pro Cook System's overall performance, ease of use, and cooking capabilities, frequently citing its speed and even cooking. Many appreciate its size and capacity, finding it fits well on their counters and allows for cooking multiple items simultaneously. The air frying function also receives positive feedback, with users praising its effectiveness. Positive comments also highlight the oven's design and included thermometer.

This summary was generated by AI based on customer reviews.

The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
Page 2 Showing 21-40 of 170 reviews
  • Tech Insider Network Member

    Rated 4 out of 5 stars

    Nice oven, feels a bit outdated

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    Tech Insider Network Member
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Introduction Ninja is well known for making a wide variety of small appliances. Ninja is now jumping into the small oven category. Going in I have a good number of Ninja small appliances, so I was looking forward to see what innovation they included into this oven to make it stand out. What comes in the box? Out of the box you get the main oven, 2 base pans, 2 grill tops, a crumb tray, a meat thermometer, and a inserts (Recipe guide) Minor wins I do really like the utility of having two separate ovens in one that have their own separate temperature cook rate. Major wins Usage The overall build quality of the oven is quite nice. It’s also surprisingly light. Setting it up is super simple. You plug it in and add the crumb tray, the base pan, and or the grill top. You have a lot of options to choose from on either floors of the oven. The top oven is a toaster oven, and is for quick cook options, and the bottom is an air fryer, for longer food items. I think that’s why you have the option of opening just the top so you can quickly remove and add more items. You can choose the presets and go from there. You also have the option of using the manual meat thermometer to cook your meat to the proper temperature without too much worry. I am absolutely shocked that there isn’t an app to use with the oven. I thought everything came with an app these days. I say that sarcastically, but I think in this case, an app would have made a lot of sense. The app can let you see how much time is left, but most importantly, you can see what the temp on the meat thermometer is just in case you want to undercook something to baste and continue. I used it to make a batch of fries on the bottom, and reheated some fried chicken on top. Both came out crispy and no oil was used whatsoever. Clean up is easy. Simply clean the pan or the tray and that’s it. I do like the light that dims on and dims off. I do wish this oven was a little larger. Minor issues The meat thermometer port has this little silicone plug that is attached to the unit and the other side plugs into the port. I’m guessing it’s for dust protection. My gripe is that the plug doesn’t go into the port completely. In fact, it just dangles there. Like I said, it’s a minor gripe. Another minor issue is that both doors can’t be opened independently. You can open the top door by itself by pressing the button. You cannot however do the same for the lower half. I think it would have been nice to have a push button that releases a lock on the lower half. Major issues The control panel is straight forward, but flawed. I have many appliances that have touch panels, so to see a turn knob on a modern appliance is disappointing. You have to turn the knob to choose the cook category, and then press temp/shade and then turn the knob again, and the same for times, and the manual temp option. It’s just odd seeing a lack of a touch panel on an appliance in 2024. I would think it may cost the manufacturer a little more to add it on. Maybe on the next version? Primarily for People who either have space in their kitchen and want the utility of having two mini ovens, or people who just want the comfort of having an extra oven. Probably not for People who have very limited space on their counter space already. All in all It’s a great little oven. It has its flaws, but in terms of overall usability and functionality, it’s great.

    I would recommend this to a friend
  • Tech Insider Network Member

    Rated 4 out of 5 stars

    A powerful edition to your kitchen

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    Tech Insider Network Member
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    SUMMARY: The Ninja DoubleStack XL Countertop Oven and Air Fryer is a multi-faceted oven that makes you feel like a professional chef when you use it. It not only looks good in your kitchen, but it’s powerful enough that you may find yourself using it more than your primary oven. It’s large enough to cook multiple meals at once and may be particularly useful during the holiday season, which is prime cooking time for most families. DESIGN & SPECIFICATIONS: The Ninja DoubleStack XL comes in stainless steel, which is always a classy look. It looks very sophisticated, professional and luxe for a countertop oven. It’s 13.26 inches tall, 18.6 inches wide, and it weighs 31.26 pounds. It feels sturdy and well crafted. Depending on which version of the Ninja DoubleStack XL you have, the countertop oven comes with different accessories. I have the version “DCT650,” so mine comes with two wire racks, two sheet pans, one crumb tray, one air basket, and a pro cook thermometer. By comparison, the “DCT600” version comes with a roast tray instead of the thermometer. It is recommended by Ninja to hand wash all the accessories in warm soapy water, then let air dry. This is to keep the finishes on each item from degrading. Ninja offers a variety of accessories on their website should you need to buy more. It is recommended that you only use Ninja approved cooking accessories with the Ninja DoubleStack XL. A big feature of the Ninja DoubleStack XL, as the name implies, is that you can cook multiple meals at once due to being able to use the two ovens independently of each other. Ninja calls it “DualZone technology.” This allows you to cook different meals but have them finish at the same time as a way of minimizing back-to-back cooking and lessens time in the kitchen. You can cook two meals in different ways but still have them finish at the same time. All you have to do is make sure you keep in mind how much time each meal needs and cook accordingly; start the meal that needs slightly more time first in the bottom oven (chicken wings, beef roast, whole chicken), then add the second meal to the top oven that needs less time (veggies, fries), and let the oven take care of the rest. There is a manual included that explains this in detail, but Ninja also has videos you can watch to better explain the technology as well as shows the DualZone technology in use. PROS: The Ninja DoubleStack XL comes with what they call a “Flex door.” This is what allows you to access just the toaster oven part of the oven. It’s a cool way to separate the two ovens. This comes in handy when you are cooking in both ovens at the same time and don’t want to disturb whatever is cooking in the bottom oven. Speaking of cooking two things at once, a big pro of this oven is that the smells won’t crossover. Ninja uses special technology they call “flavorseal technology” to prevent smells of different types of food from crossing between ovens, so your flavor profiles will stay separate. This means if you want to bake chocolate chip cookies or cinnamon rolls in the top oven while roasting lemon garlic butter chicken in the bottom oven, you can without worrying about your desserts smelling like your garlic chicken. Another pro is how fast the Ninja DoubleStack XL works. It preheats quickly and finishes meals quickly. I also like how I don’t have to think too much to use it. Let me explain: I like my bagels and bread on the darker side, and the toaster function finished my toast in less than 4 minutes (I think it’s 3:38 to be more exact). The Ninja DoubleStack XL calculated how much time I needed based on my desired darkness (or shade), so I don’t have to guess how much time I need to toast my bread for it to be perfect or set any cooking times on my own. Once it finishes, it turns the oven off for me. You will hear the fan lingering for a few minutes, but that is it. I like that the Ninja DoubleStack XL comes with a recipe book; specifically, I like that it tells you which oven to cook what type of dish in, what settings to use, and what cooking accessories to use to ensure your meal comes out a success. It’s proper meals too, such as “whole-roasted BBQ chicken with mac & cheese (the mac & cheese goes in the top, and the chicken gets cooked at the bottom), roasted turkey breast with veggies (the turkey is cooked at the bottom, veggies cook up top), and eggplant parmesan with garlic bread (you probably already guessed that the eggplant parmesan cooks at the bottom and the garlic bread cooks up top). The recipe book gives you a better idea how to properly use the Ninja DoubleStack XL to its full potential, and it makes it seem less overwhelming or less intimidating to cook in. Lastly, at least when using the device in air frying mode, the Ninja DoubleStack XL is only moderately noisy, which is important to me. It cooks much quieter on the toasting mode than it does on the air frying mode. It also doesn’t have that constant ticking sound that most standard toaster ovens have that goes on the entire the device is in use. CONS: This thing is HUGE! Unless you do not have any other countertop kitchen appliances, or you purchase a special portable countertop/island to sit it on to add counter space, I do not recommend this appliance for people that have small kitchens or limited counter space. I live in an old condo that is an open floor plan concept, and I have a small kitchen. This takes up a large chunk of counter space, but I am okay with it since I plan to use this more than my full-size oven. I do not recommend this for someone that only wants an air fryer or that only wants a toaster. The size (and price) wouldn’t justify purchasing this only for making toasts and bagels. I strongly recommend measuring the area you intend to put this before ordering, or maybe going to see this in store first and measuring the item itself and your kitchen space. The Ninja DoubleStack XL is also very, very heavy. I live alone and live in a second-level condo, so I had to push/slide this thing up the stairs. If you are elderly or a single woman like me, you might need help getting this into your kitchen. Even on the box it arrived in, it suggests using two people to carry it. This is another reason I suggest checking this item out in person. Just looking at it online and in videos didn’t help me; I mistakenly thought this oven was closer to a traditional toaster oven size. If you’re like me and have zero concept of measurements and dimensions and are a visual person, please check it out in store. Part of the reason this oven is so large is it’s geared towards family meal cooking; it’s for large family meals. If you’re single like me and no someone who often cooks for others, you might not need this specific countertop oven. The wire racks and sheet pans are not dishwasher safe. While I understand cleaning them by hand will protect them from being damaged, if you hate doing dishes like me, you may find this step cumbersome. This is probably just irritating to me (keep in mind that I am a non-cooker) but I hate that I can’t use butter or olive oil as a base in this for risk of increasing smoke emitting from the oven. Ninja recommends using avocado oil, canola oil, refined coconut oil, vegetable oil, or grapeseed oil. Granted, these are all easily accessible and I have a few of these of these in my cupboard right now. Still, I prefer cooking a lot with butter, so this will be a hard habit to break. CONCLUSION: A single person that is not a heavy cooker may not use the Ninja DoubleStack XL to its full potential. I recommend it for a family of four or more. I also recommend it for people like me who eat a lot of toasted foods but are impatient and want to cook their food fast. I also recommend it for single people who have old full-sized ovens that probably need replacing. Using this countertop oven in place of an old full-sized oven will not only be safer, but it will also be more energy-efficient too.

    I would recommend this to a friend
  • Pros mentioned:
    Size
    Tech Insider Network Member

    Rated 5 out of 5 stars

    Excellent mini oven especially for apartment life

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    Tech Insider Network Member
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I've recently found myself living in an apartment again in a time of my life i didn't expect, so something like this that's a little more robust than your standard toaster oven is very welcome. Packaging: Comes in a pretty obvious black box printed for the product, if shipped to you it's inside another brown box. Inside is of course the unit, packaged with crumb trays, racks and an air fryer basket. It's all fairly straightforward. Use: I will say that the controls are pretty minimal, almost shockingly so, as will be obvious in the pictures. Yes there are LED displays that show up when powered on, but it really comes down to a very small number of buttons and a single dial. It's a nice minimalistic setup, but it almost feels like something is missing when you're looking at the front. But honestly that's being nit picky, because if it doesn't need it why add extraneous controls unless there's just more features that need it. I will say the unit is pretty large so be sure you have the counter space for it. You can cook two things at once or two different ways with different temps. It's rather robust for a toaster oven, having features you usually only find in full size ovens. I was able to cook two pizzas at once which was great and without having to wait forever for a full size oven to preheat and for this to do it more effectively than one at a time, it really was great. It's really a very clean look and i love that the door can function as a top only door or can open both levels at once. There's a lot of space inside so it can cook much larger things than your standard toaster oven. Honestly if there was such a thing as a gourmet toaster oven, this would be it. With multiple levels and separate temps it really can do a lot for something like this.

    I would recommend this to a friend
  • Pros mentioned:
    Capacity, Ease of use, Overall performance

    Rated 4 out of 5 stars

    Awesome cooking power

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    With the twelve different cooking styles and two independent ovens you'll be able to cook just about anything in this unit. Easy to set up cooking schedule not as easy to clean but if cleaned after each use not too bad. Bought some parchment liners and silicon ones also which helps keep interior cleaner. Overall a great oven. Does everything my large conventional oven/stove can do in a space that takes less energy to use. Side note: could cost less as it is a bit pricey. Dropped a star only because of the price.

    I would recommend this to a friend
  • Tech Insider Network Member

    Rated 5 out of 5 stars

    Toasting is hard, but I love it!

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    Tech Insider Network Member
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    It’s complicated, but once you learn it, it makes sense! Maybe it was just me, but this unit felt like there were a ton of rules you had to know before using it. It made the entire experience feel convoluted at first, but I think I was making mountains out of mole hills. Because once I got it all figured out, it is actually quite intuitive. One example: nothing is dishwasher safe minus the wire rack, everything else has to be hand washed. So the rule in our family is NOTHING goes in the dishwasher in regards to this Ninja. The top oven can only be used for some things, and the sheet pan can rest on top of the wire rack, but on the bottom oven has two slots, some things go into one slot while others do not. The combination of the two can be tricky as well. But the rule of thumb is the top is a toaster, the bottom is an airfryer. This little distinction made it far more simple. The other thing is you can’t use low smoke point oils, such as olive oil or butter. So most if not all of your meals needs veggie oil, canola, etc. Also when using both ovens at the same time, you have to estimate additional time, Ninja recommends a couple minutes or so additional cook time. So if your recipe requires 20 mins to cook, try 22 instead. The other complication was I bought a whole chicken, but it ended up being too big for the unit. Turns out the unit can only accept 5 pound chickens or lower with another page in the manual recommending 4 to 4.5 pounds. Needless to say, I had to use my conventional oven for the chicken instead of the Ninja. But that didn’t stop me, I also bought a salmon and that cooked gloriously! More on that later. Once I got it figured out, the buttons on the front are pretty self explanatory. There is a “Top” and “Bottom” button, which just lets you the user know what is happening on the display for that particular space. Or turns on the unit enabling that particular spot. The “Smart Finish” button is a little tricky, but it has a couple features in that one button. You can use the built in meat thermometer to have it stop cooking when it reaches the desired temp! Remember when I mentioned my super delicious salmon? Well I used the leave-in auto detect feature and it stopped cooking as soon as the temp got perfect! So good! I loved it. At the same time, I had potatoes and veggies roasting on the top! The family loved it and it was super easy to do. The other thing I noticed is the veggies didn’t taste like fish, so I think Ninja did a good job with aroma control. The biggest thing I don’t like about this unit is the toaster! The settings variations on toast is not real, I had it set to 3 and 2 pieces of bread and my toast was essentially burnt! I turned it to 1 and 1, and both my pieces were fine. But if you want a lightly toasted piece of bread, it’s impossible to do without watching the bread. For example my toddler likes very lightly warmed poptarts, and I can’t do that with this unit using the toast setting. I can however work around the issue using the “Keep Warm” setting. So far I’ve made chicken tenders, chicken breast, salmon, veggies, nachos, fries, poptarts, toast, bagels, and mozzarella sticks. I plan on making so much more with this thing, including another attempt at a whole chicken. All in all, I love this and I’m so happy to have it added into our kitchen!

    I would recommend this to a friend
  • Tech Insider Network Member

    Rated 5 out of 5 stars

    I Only Wish I Had Gotten This Sooner!!

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    Tech Insider Network Member
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I am writing this review for the Ninja Model DCT651 Double-Stack XL Countertop Oven and Air Fryer With Pro Cook System. Wow, what a mouthful! I have to be honest, when I saw that the Ninja had a folding door, I had to have it. It just looked so unbelievably cool to me. It is the first time I have ever owned an appliance with such a feature. And even now, it is still my favorite aspect of the appliance! When it arrived at my house and the delivery driver opened the back of his truck and started pulling out this huge box, I got a little nervous. Ok, so it wasn’t really huge, but it was pretty big, and I did get a little nervous. The driver had a bit of a time with it, but he finally managed to hand it to me. One thing for sure, it felt substantial. I got it into the house and set it down on the living room floor which is where I typically unpack everything. As I opened up the shipping box, I felt a sigh of relief when I observed how well packed and protected the Ninja was. This is the very first sign I look for when I get a product is how much attention and thought they invest in making sure it gets to where it’s going intact, undamaged, and ready to use. Ninja did great. While taking everything out of the box and looking at all the parts that came with, I began to wonder if they had made a mistake and sent me two different orders… there was a lot of stuff. Included with the oven was a Ninja Pro Cook thermometer with a handy magnetic storage holder, two sheet pans, two wire racks, and air fry basket and what they call a crumb tray. After completely unpacking everything, two things began to go through my mind… where was I going to store all the neat stuff that came with the Ninja, and where was I going to put the unit itself. I knew my old air fryer had to go, and I had already promised it to my neighbor, and another appliance was going to be moved to another counter. So, after getting that all done, I put my Ninja in its new home. Following the instructions, I washed everything first, plugged it in, and hit the power button. Now, it takes a bit to intimidate me, but there was a part of me that felt a little butterfly or two as I turned it on and saw all the controls and options light up. I was kind of figuring on a button or two for the top and a button or two for the bottom, but I saw a learning curve coming into play. I don’t know how they do it, but fully hidden in the brushed stainless steel are all these option lights. They only appear once the Ninja is turned on. It is truly brilliant how they managed to do this, and to make sure I just wasn’t seeing things, I turned it back off to see if I just didn’t notice it before. But sure enough, they were completely invisible. Magic! And speaking of lights, both the top and bottom sections have their own light. They’re not independent, meaning you hit the button and they both come on. They do emit a lot of light so viewing the progress of your cooking food is easy. When I mentioned a learning curve earlier, I wasn’t kidding. Ninja throws a lot into the Double-Stack oven. By reading through the Owner’s Guide before using it, you can get a really good understanding of how it works. First off, you choose whether you are going to use the top, the bottom, or both. This is done by pushing the appropriate flashing button at the beginning. (You have to choose one before you can start cooking anything). Then you choose either one of several presets, or you can choose your own personal settings, and then do you want to use the thermometer, what kind of finish do you want, etc. But like I said, going through the manual will give you a very good idea of what to do, and alleviate the learning curve I keep mentioning. The one thing I can’t stress enough is that the User’s Guide, Instruction Manual, and the included recipes will make using the Ninja super easy, and super fun. And so, after going through everything, I decided to start off with something fairly easy…a frozen pizza. I was actually excited about doing a pizza in the Ninja. I had just bought a brand of pizza I had never tried before, and wanted to see if the Ninja could handle it. Rather than choosing the preset pizza function, I chose to cook according to the package directions…400 degrees for 15 to 17 minutes. Anytime they give a cooking time range, I always opt for the middle. Ninja recommends always preheating. So, after preheating, I put the pizza in, set the temperature and the timer, and let her rip. During cooking I checked in a couple of times to make sure it wasn’t burning, and finally the beep! Now I promise I am not blowing smoke, but the pizza came out absolutely perfect. The crust was perfect, the toppings were cooked perfectly, it was one of the best store-bought pizzas I have ever eaten. It didn’t even compare to an oven-baked pizza. It was perfect! So what was I going to do next? I decided the next evening was going to be a roasted chicken. Having got my feet wet with the pizza, I was feeling a bit more sure of myself. The recipe in the recipe book used a roughly 4-lb whole chicken. So, on my way home from work the next day, I stopped by the store and found a 4-lb chicken. As I prepped it, I chose a very simple seasoning…salt, pepper and garlic powder with smoked paprika. Not only did I want to roast the chicken, I had my heart set on some garlic toast, and decided to use the Smart Finish function. As I thought about it, I knew I didn’t want to leave the garlic bread in the top oven the entire time, so I set the alarm on my watch, and when it got close to time for the Smart Finish to kick in, I took the bread out of the freezer and put it in the top when the beeper went off. In about 10 minutes everything was done and the beeper went off again. The results? I can’t say the chicken was the very best I have ever eaten, but it was done to perfection. My only complaint was about how I used too much salt. The garlic toast was perfect. I could go on and on about the other things I cooked…French fries, another pizza, and breakfast toast, but I think you get the idea that the Ninja is the perfect addition to my kitchen, and will be used A LOT! CONCLUSION The Ninja Model DCT651 Double-Stack XL Countertop Oven and Air Fryer With Pro Cook System is a keeper. It is solidly built with obviously high-quality materials. When opening and closing the door(s) there is a very solid feel to it with no tinny sounds, or wobbly hinges. The “flex” doors are a real game changer as well, keeping foods from absorbing flavors from each other. The seals are high quality and do their job well. The light is bright and illuminates the interior so that you can see everything. After familiarizing yourself with the User Manual and other literature, you will be able to jump right in and start working your magic. Now, it is a rather large appliance with a large footprint. I had to do a bit of rearranging on my counters, but it looks really good and matches my other countertop appliances. I suppose if I looked hard enough, I might be able to find something I don’t like about the Ninja, but I don’t really think so. And although my cooking experience with it has been limited, I have a feeling that this is going to be my go-to cooking appliance for a long, long time.

    I would recommend this to a friend
  • Pros mentioned:
    Capacity, Overall performance

    Rated 5 out of 5 stars

    My Ninja!

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This is one of the best kitchen appliances I've purchased in a while. I hate using the microwave, so this is my go-to appliance. It works like a charm and with the dual compartments I warm or cook difference dishes at once.

    I would recommend this to a friend
  • Tech Insider Network Member

    Rated 5 out of 5 stars

    Doublestacked countertop convenience

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    Tech Insider Network Member
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    The Ninja DoubleStack XL Countertop Oven & Air Fryer combines pretty much every countertop appliance other than a coffee maker into one (rather large) unit. Ninja has outdone themselves with the capabilities of this cooker. Thanks to the smart DoubleStack design, you can use multiple cooking modes at the same time to prepare meals even faster. #Unboxing and first impressions# The Ninja DoubleStack XL is huge. I feel like I have to get that out of the way early because from the moment you open the box and realize it's not entirely full of packing materials you start to think it might be too big. I was hoping to replace a rather large air fryer and my standard popup toaster with the DoubleStack, and in that sense it does take up less square footage on the counter. Still, making it fit with the decor of my kitchen required re-arranging things a bit. Included in the box you get a basket for air circulation when using the air fry mode, two standard racks, two baking sheets, and the Pro Cook thermometer probe. #Using the oven# The DoubleStack basically divides its features across the top and bottom chambers. The top chamber has basic bake, broil, reheat, and toaster functions. The bottom chamber has convection bake, air fry, and roast/air roast functions. One of the coolest features of the DoubleStack is the automated "Smart Finish" mode that syncs the cooking cycles between top and bottom so they finish at the same time and your food is hot and fresh and ready to plate at the same time. The air fryer function of the DoubleStack works very well. So far I've tested it on single layers of frozen foods in the basket and it produces a nice crisp outer layer and even heating inside things like chicken nuggets and breast patties. I did notice that I need to up the temperature slightly from my previous air fryer to get the same finish. Where my previous air fryer would get a crispy outer layer at 370 degrees, I found that 390 to 400 was perfect on the DoubleStack. I've also used the toast, bake, and reheat functions in the top oven and they work as expected. The toast function with the "Shade" setting is awesome. It's super easy to get the perfect doneness on your toast. I have not used the Pro Cook sensor yet, so I cannot speak to its efficacy. However, I wanted to highlight how smart it is for the sensor to have its own magnetic attachment that sticks to the side of the DoubleStack. Makes it very easy to keep from losing this important accessory. #Conclusion# I'd recommend the DoubleStack XL for anyone looking for a do-it-all countertop oven that has a premium look at a reasonable price. It's easy to use and get good results cooking quick favorites, with the ability to cook pretty much anything you can fit into the oven. I can't wait to roast chicken and pork shoulder in this oven soon.

    I would recommend this to a friend
  • Pros mentioned:
    Design, Overall performance

    Rated 5 out of 5 stars

    Definitely worth the investment!

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    Posted . Owned for 1 week when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I’ve been really impressed with the Ninja Double Stack XL Countertop Oven & Air Fryer so far. We’ve cooked a variety of meals in it, and it’s quickly become a go-to in our kitchen. The standout feature is the top-and-bottom design, which lets us cook two different dishes at once—perfect for multitasking. The Smart Finish technology is a game-changer, syncing the cooking times so both levels finish together, as long as you’ve dialed in the settings correctly. It’s sleek and stylish, fitting seamlessly with our stainless steel appliances. My only small gripe is that, unlike our previous Ninja appliance, it doesn’t fold up vertically to save counter space. That said, this oven’s versatility and efficiency mean we rarely need to use our full-sized oven anymore. It’s a fantastic addition to our kitchen lineup!

    I would recommend this to a friend
  • Pros mentioned:
    Overall performance, Size

    Rated 4 out of 5 stars

    Almost perfect

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Works well in all functions. I live alone so it’s the perfect size for my needs. The one thing that could be better is that the air frying tray needs to be non-stick. It’s very difficult to clean.

    I would recommend this to a friend
  • Pros mentioned:
    Overall performance
    Cons mentioned:
    Noise level

    Rated 4 out of 5 stars

    Great oven as long as it doesn't rattle

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Overall the functionality is great. I really like that I can cook items in the bottom part and not have my toast taste like last nights dinner. Never had an air fryer before and this seems like a nice feature. Only complaint is that the cooling fan (there are two fans, one for the convection/air fryer and another to cool the internal electronics behind the buttons) rattled so badly that it sounded like an air compressor. I was going to return the unit but decided to take it apart and glue what appears to be a small 'PC' style fan into the housing. This solved the noise and was easier (for me) than driving back to the store. Most people wouldn't have the tools but I fix and maintain equipment for a living...

    I would recommend this to a friend
  • Pros mentioned:
    Capacity, Overall performance

    Rated 5 out of 5 stars

    Ninja Double Stack XL is an excellent kitchen tool

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    The Double Stack XL heats up very quickly, and the two sizes make it very convenient for cooking multiple things at a time, or even in cases where you only need to cook one large or one small thing. I have found myself using it more than my full-size oven, it is up to the task and both faster and easier.

    I would recommend this to a friend
  • Tech Insider Network Member

    Rated 5 out of 5 stars

    Awesome appliance! Great for a family!

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    Tech Insider Network Member
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    It’s hard to know where to start with this double oven/air fryer just because it’s such a great appliance for our family. From air frying wings to mini pizzas to cookies, etc. etc. we’re always needing to have an oven going. The difficult part for us is getting our full size oven up to temp while using a fraction of its actual cooking space is kind of a pain. Often, we just need a small item or a few items cooked and don’t need a full size oven. Thankfully, this oven is PERFECT for our needs. The ability to have two separate ovens doing two separate things is amazing. We can be baking cookies for dessert while we’re frying wings on the bottom. The unit comes up to temp quickly and cooks very evenly, especially in the bottom oven that has convection capability. The included digital thermometer is fantastic if you need to dial in temps or make sure you get the perfect doneness on your food. The unit itself seems very well made and all of the included sheets and racks are top quality and clean up well in the dishwasher. It’s simple enough that our kids can use it while being capable enough to cook some amazing meals. The unit looks incredible on the counter especially with its “hidden” display. When the display is off, there’s nothing but brushed stainless steel which gives it a very upscale look. Overall, we’re incredibly happy with this oven. We’ve only just begun to use all of its capability and we cannot wait to use it more.

    I would recommend this to a friend
  • Pros mentioned:
    Capacity, Overall performance

    Rated 5 out of 5 stars

    Outstanding air fryer oven

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    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    We had the flip up ninja anir fry oven. We bought this one to replace it. The old oven was good. This oven is great. It is a true upgrade. The two separate ovens that you can use at the same time are just outstanding. Lots of room. Plenty of trays and accessories. Would buy this again.

    I would recommend this to a friend
  • Pros mentioned:
    Ease of use, Overall performance

    Rated 5 out of 5 stars

    The enforcer

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    Posted . Owned for 2 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I really appreciate the dual cooking! Especially while I'm in between ovens LOL. And this really is a lifesaver. This is something that I would definitely gift someone for a housewarming gift or someone who moves into an apartment. This is perfect. And this is perfect for someone who cooks a lot like me and especially during the holidays you can have a whole Force going and completing some meals.

    I would recommend this to a friend
  • Pros mentioned:
    Overall performance

    Rated 5 out of 5 stars

    Best double oven ever!!

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    Posted . Owned for 2 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This is the best oven ever! I absolutely love the double oven. The thermometer is a godsend when wanting your roast at medium rare. Being able to have your meal and side dish ready at the same time is another bonus. I can't say enough good things about this item. Ninja you did it again!!

    I would recommend this to a friend
  • Pros mentioned:
    Ease of use, Size

    Rated 5 out of 5 stars

    Great Air Fryer and Oven

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    Posted . Owned for less than 1 week when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    We use this every day. It’s easy to use. The instructions are clear and the controls are simple and convenient. We’ve been using this more often than our large stove. Anything you Need to toast or bake or broil can be prepared in the Ninja Doublestack oven and air fryer. Plus you can use both ovens at the same time. We’re very happy with it.

    I would recommend this to a friend
  • Cons mentioned:
    Noise level

    Rated 5 out of 5 stars

    Amazing

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    Posted . Owned for 1 week when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I got on sale for $220. I love the toasting for bread. I love the fact that you can cook two meals and finish them at the same time. It’s just overall a great piece for the price. The only thing I don’t like is it makes sounds when it’s done cooking, but it’s a fan that cooling machine down.

    I would recommend this to a friend
  • Pros mentioned:
    Capacity

    Rated 5 out of 5 stars

    Great 2 oven idea

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    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    My main focus was the two separate ovens. I was a little concerned the top oven wasnt going to be great but it is bigger than I thought. That is my most used part. It took a minute to get the cool features to understand what I wanted (haha) but now I am a pro. The functions are easy once you get the hang of it for what you want. This is larger by width and depth than my previous oven and that was another reason to buy. Now I can fit more and get 2 items done at the same time. Obviously, this put less real estate on my counter but it is worth it.

    I would recommend this to a friend
  • Pros mentioned:
    Ease of use, Overall performance

    Rated 5 out of 5 stars

    Air fryer/Oven

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Best one I’ve purchased yet and easy to use. Highly recommended it!

    I would recommend this to a friend