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 131-140 of 322

  1. I like the functionality, but I don't love some parts of the design.

    Matthew June 2, 2025
    Review source: Amazon

    My main gripe with most any cooking appliances like this is keeping it clean over time. Now, inherently, when there’s a door that opens downward like this one it means most people will pull out something like the air fry basket and get their food, spilling crumbs and oil onto the open door (and in the hinges) which will be harder to clean over time. Though I got my wife to pull out the fry basket with the baking tray below it when doing this to it is easier to clean up the rack and tray.

    But so far I have also been loving the functionality of cooking/baking. Air Fry, reheat, toast, and roast have all been doing really well for various dinner items. It’s cool that I can cook two things at once, though sometimes I compromise if I want to cook two things at once that I’d normally “air fry”, but will bake in the top section when it won’t make much of a difference (some veggies).

    That and it looks really nice on the counter next to the stove. I really like the visual design of this dual cooker.

    Helpful votes Not helpful votes
  2. An amazing oven that adds a lot of versatility.

    Verified purchase
    wheezal June 2, 2025
    Review source: Amazon

    Having used a smaller Ninja digital air fryer pro for almost 5 years, i wanted to update to allow larger baking spaces while staying on side of my kitchen counter.

    This oven fits the bill. Dual options for larger roasts and smaller oven for straight baking, toasting, and broiling. There is definitely a learning curve to dial in temps and time, but so far every meal has come out terrific and quicker than a giant oven. Clean up is a breeze as well as long as you wipe it down after each use.

    Lots of modes seems confusing, as really some seem to just duplicate efforts. But that still allows for a lot of versatile baking styles to produce quality meals with fewer steps.

    Very glad I upgraded to this terrific appliance.

    Helpful votes Not helpful votes
  3. I love it!

    Verified purchase
    Cheryl June 2, 2025
    Review source: Amazon

    Love love love my oven! I love all of my ninja products and this is my most recent purchase and I love it. Easy to use in the fact that I can use both at different times but at the same time works great functionality is perfect.

    Helpful votes Not helpful votes
  4. Best toaster oven/air fryer

    Verified purchase Incentivized
    DavidW May 30, 2025
    Review source: Bestbuy

    I love this! It makes the best biscuits and cakes.

  5. Great little toaster that could!

    Verified purchase Incentivized
    JCon May 30, 2025
    Review source: Bestbuy

    Its been a great little toaster that could (and still does!) Held up to weeks of meal prepping and dinners and still keeps truckin! No complaints!

  6. Good for cooking, annoying to clean

    Verified purchase Incentivized
    JacobB May 30, 2025
    Review source: Bestbuy

    Really good for cooking but annoying to clean. Overall satisfied

  7. Very loud!

    Verified purchase
    Rassam May 28, 2025
    Review source: Amazon

    It goes very loud when at use, very annoying!

  8. Best Kitchen Helper

    Verified purchase Incentivized
    Grill May 23, 2025
    Review source: Bestbuy

    This oven does everything you could ask for with fast results. Great quality and many features

  9. 5/5

    Verified purchase Incentivized
    KennethS May 23, 2025
    Review source: Bestbuy

    Not too big not too small. Works great, easy to use, food tastes good!

  10. Missing roasting pan

    Verified purchase
    Joan E. May 19, 2025
    Review source: Amazon

    Learning how to work the oven, so far, so good. However, the roasting pan was missing from my order, having trouble contacting Ninja to resolve this problem.

    Helpful votes Not helpful votes