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 61-70 of 322

  1. Too much moisture

    Verified purchase Incentivized
    StevenS September 23, 2025
    Review source: Bestbuy

    The oven works great especially the bottom cooks better than the top. The top oven takes a little longer to cook. The problem with the oven is that when you only cook in the bottom oven and nothing is cooking in the top oven you get a lot of moisture on the top door and around it. We have had the oven for almost a year now and the top around where the glass door seals looks like it is rusting from the moisture and we do wipe the top door off after cooking in the bottom. I would never buy another double oven again for this reason.

  2. Jack of all trades, master of none

    Verified purchase
    Dakota Brink September 16, 2025
    Review source: Amazon

    Being the jack of all trades makes it the master of none, sadly. I can’t get it hot enough to properly cook a pizza. A task that the Ninja flip had no problem accomplishing.

    Helpful votes Not helpful votes
  3. Ninja

    Verified purchase
    Amazon Customer September 15, 2025
    Review source: Amazon

    After only one week I am in love with it!

  4. More than I expected

    Verified purchase Incentivized
    LillyC September 13, 2025
    Review source: Bestbuy

    I have used this product every day since it arrived. It is way more than I expected. It cooks evenly and hot

  5. better than the one i had before

    Verified purchase Incentivized
    Camera September 12, 2025
    Review source: Bestbuy

    its a good product. I have made alot in the short time i have owned it.

  6. Love this!

    Verified purchase Incentivized
    Justme September 12, 2025
    Review source: Bestbuy

    Great choice! Would but again. Takes some practice—

  7. 🌟

    Verified purchase
    Jean Pierre Arazo September 11, 2025
    Review source: Amazon

    Amazing product!. After compare several air fryers in the market! This one is the best I found. Good Price, good quality, it looks really well!. And you have several function that you can’t find in others models or brand!. Is big, and it comes with an integrated thermostat which let you rest with no doubt that your food is getting cooked at the perfect point!.

    Helpful votes Not helpful votes
  8. Great product

    Verified purchase
    formula1fan September 10, 2025
    Review source: Amazon

    Love it. Only complaint is top oven doesn’t have drip tray. Putting toast or waffles on tray can leave crumbs which are hard to clean.

    Helpful votes Not helpful votes
  9. House heater

    Verified purchase Incentivized
    Jordan September 5, 2025
    Review source: Bestbuy

    It works as a great house heater. I don’t have heat for my house so when it gets chilly I turn this bad boy on and my house is warm.

  10. No complaints

    Verified purchase Incentivized
    GregR September 5, 2025
    Review source: Bestbuy

    We love it!! It’s quiet and space saving. So far we’ve only used the air fryer, toast , and roast.