Ninja Double Stack XL Countertop Oven & Air Fryer

Ninja

Double Stack XL, Double Stack XL with Pro Cook System

Ninja Double Stack XL Countertop Oven & Air Fryer
Ninja Double Stack XL Countertop Oven & Air Fryer
Ninja Double Stack XL Countertop Oven & Air Fryer
Ninja Double Stack XL Countertop Oven & Air Fryer
Ninja Double Stack XL Countertop Oven & Air Fryer
Ninja Double Stack XL Countertop Oven & Air Fryer
Ninja Double Stack XL Countertop Oven & Air Fryer
Ninja Double Stack XL Countertop Oven & Air Fryer
Ninja Double Stack XL Countertop Oven & Air Fryer
Ninja Double Stack XL Countertop Oven & Air Fryer

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Highlights

FlexDoor™ Dual Oven Design The innovative FlexDoor™ creates two independent ovens in one compact footprint, allowing you to access just the top for quick snacks or open the full door to cook two complete meals at different temperatures and settings simultaneously.
Smart Finish™ with DualZone™ Technology Eliminate back-to-back cooking by syncing both independent ovens to finish at the same time, even if they require different cooking functions, temperatures, or durations.
FlavorSeal Technology Designed with two separate cooking environments, FlavorSeal technology prevents smells and flavors from transferring between the upper and lower ovens, ensuring your main course and dessert stay distinct.
12-in-1 Versatile Functionality This all-in-one appliance offers 12 versatile programs including Air Fry, Convection Bake, Whole Roast, Air Roast, Bake, Broil, Pizza, Toast, Bagel, Reheat, Keep Warm, and Dehydrate.
XL Family-Sized Capacity The spacious interior is designed for large families, fitting up to 6 lbs of wings, a 4.5-lb whole chicken, two 12-inch pizzas, or full sheet pan meals across its two cooking zones.

Pros & Cons

Pros

  • Dual-Zone Versatility: The independent top and bottom ovens allow users to cook two different dishes at different temperatures and settings at the same time, effectively replacing multiple appliances like toasters and air fryers.
  • Smart Finish Technology: The Smart Finish feature is a major highlight, automatically synchronizing the cooking times of both ovens so that different foods are ready to be served at the exact same moment.
  • Fast Preheating and Cooking: Reviewers frequently note that the unit preheats in just a few minutes and cooks food significantly faster than traditional full-sized ovens, making it highly efficient for daily meal prep.

Cons

  • Difficult to Clean: The interior lacks a non-stick coating, making it tough to scrub, and the downward-opening door design allows crumbs and grease to fall into the hinges and crevices.
  • Inconsistent Toasting: Many users report that the toast and bagel settings are too powerful, often burning the edges of bread or producing 'nuclear' heat even on the lowest shade settings.
  • Bulky Size and Hot Exterior: The appliance takes up substantial counter space and is quite heavy; additionally, the exterior surfaces become dangerously hot during operation, posing a potential burn risk.

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Customer Reviews

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Showing reviews 41-50 of 322

  1. Ninja XL

    Verified purchase Incentivized
    TeresaW November 7, 2025
    Review source: Bestbuy

    I love it! Able to bake cookies on top while dinner cooks on bottom. So cool! Just wish it was a bit bigger so my large pasagna dish would fit.

  2. Ninga Oven

    Verified purchase Incentivized
    LeticiaB November 7, 2025
    Review source: Bestbuy

    I recommend the Ninga oven, as you can cook two meals at the same time.

  3. Waste of money in my opinion

    Verified purchase
    terrig November 1, 2025
    Review source: Amazon

    Not a fan at all… purchased this make and model as I loved the idea of split features allowing more than one item at same time and not having to use main oven as I cook for 1. However I find I still have to use my main oven don’t size of this product is smaller than anticipated therefore not able to use my pans
    Should have stayed with my Emeril products

  4. It does it all!

    Verified purchase
    Nikki B. October 31, 2025
    Review source: Amazon

    It’s a family favorite. Easy to use – food cooks well – great quality

  5. Good Value – Absolutely Love

    Verified purchase
    S.S. October 18, 2025
    Review source: Amazon

    I absolutely love this ninja oven. It makes it so easy to prepare meals, especially dinner. I can pop veggies in the top and cook chicken on the bottom. Once the timer is set there’s nothing else to do except relax until your meal is ready.
    It’s easy to cook whole meals, but I can also toast bagels, and perform much similar kitchen functions too. It’s replaced many appliances in my kitchen. Would absolutely recommend to anyone.
    The only thing I would suggest for future improvement is to automatically turn on the “keep warm” function once the timer is up. Especially if the other timer for the other section is still running. All in all would recommend and purchase again.

    Helpful votes Not helpful votes
  6. This thing is super amazing

    Matt October 18, 2025
    Review source: Amazon

    This oven is incredible, it’s so light and compact but it really packs a lot of baking power! My wife has primarily been using it in her little shop to bake cinnamon rolls which make the whole shop smell amazing and entices people to follow their nose to the delicious smell. It’s really cool that it has two separate ovens so you can have different stuff going at the same time. Ninja is a known trusted brand, we love their blenders and have used them for years as well. We’ve been using this oven for a while and it has held up just fine. For a top-tier name brand appliance like this, the price is a steal, especially if you wait for a good sale.

  7. Convenience

    Verified purchase Incentivized
    PatiO October 14, 2025
    Review source: Bestbuy

    Love the convenience of this double stack. Cooks food perfectly. It’s big, so you can definitely get a good family size meal done with it.

  8. Doesn't cook evenly or consistently

    Verified purchase
    applejax October 13, 2025
    Review source: Amazon

    Without getting deep into the backstory of the search, we decided to get this since it should do toast and be an air fryer at the same time. Keep warm and other mini-oven features were a bonus.

    The top:
    toast still takes too long, multiples longer than a standard toaster.
    the keep warm function runs too hot. I measured it with a temp probe and it was around 225. That’s way to hot for a keep warm and will do a good job at overcooking your food.

    The bottom:
    From what I can figure, it’s due to the fan being on the right side, so things don’t cook consistently from left to right. Just scatter some wings and you’ll see the zones. Wings on the right are getting dark while wings on the left aren’t cooked. Anything I try to cook in air fry mode comes out dry. By the time wings are done they’re hard and chewy. Turning the temp up to blast the outside just dries things out more.

    This air fryer / oven is useless, nothing comes out good. Bacon goes from crisp to burned instantly. Wings come out dry and hard. Chicken thighs come out dry. Reference is the previous air fryer / oven of a different brand where stuff came out great, so it’s not my air fryer skills.

  9. Good size air fryer

    Verified purchase Incentivized
    BADASSGAMER October 12, 2025
    Review source: Bestbuy

    Nice size and functionality for an air fryer, easy use.

  10. Damaged with big dent – update to review

    Verified purchase
    Chris October 11, 2025
    Review source: Amazon

    I contacted Amazon regarding the damaged oven. They delivered me a new one the next day and picked up the damaged one a couple days later. Very much appreciated!! Great customer service Amazon, I give you 5 stars for that!

    As for the oven, we are loving it! We bought it mainly for the air frying and it works very well. We use it almost everyday to air fry, chicken breasts, pork chops, turkey burgers, hamburgers, salmon, shrimp, etc. Cooks the food well and evenly. I do not know why some of the reviews say it is loud. I do not think it is at all. Its easy to use, just read the instructions and learn how. I would for sure recommend.

    Delivered damaged. Huge dent on the side! This is going to be really hard to return because of the size/weight and torn box!!!

    Helpful votes Not helpful votes