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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 171-180 of 322

  1. Replaces multiple appliances

    Ashley menke March 7, 2025
    Review source: Amazon

    The Ninja Countertop Oven Double Stack XL has completely changed how I cook. The Flexdoor lets me check on cookies without disturbing my air-fried chicken wings below, and the DualZone Technology means I can cook two different dishes at once—like roasting pork tenderloin while crisping sweet potato fries—and have them finish together. The air fryer delivers perfectly crispy Brussels sprouts, mozzarella sticks, and fish fillets, while the bake and broil functions make banana bread and salmon effortless. Plus, it’s easy to use and clean, with an intuitive display and removable trays. The only reason I removed one star is sometimes the toast function for actual toast does not seem consistent depending on if the oven is preheated already or not. For a versatile, space-saving, and high-performing appliance, this is a total win. Highly recommend!

  2. Air fryer

    Verified purchase Incentivized
    SylvesterA March 7, 2025
    Review source: Bestbuy

    I love my Air fryer is awesome investment. It cuts my cooking time down and my food taste great.

  3. Great product

    Verified purchase Incentivized
    TammyP March 4, 2025
    Review source: Bestbuy

    I really love using this item, it’s very easy and quick to use. I love that I can cook 2 meals at one time.

  4. Dent on the side

    Verified purchase
    ARC A March 1, 2025
    Review source: Amazon

    I received the product but there was a dent on the side. I will try the product if it still works, I’ll keep it.

  5. Great oven

    Verified purchase Incentivized
    Jacob February 28, 2025
    Review source: Bestbuy

    I love this oven, it cooks so much better than my regular oven.

  7. Can do EVERYTHING

    John Pold February 25, 2025
    Review source: Amazon

    Prettty amazing upgrade over some of hte earlier Ninja air fryer/toaster oven models. Obviously it’s huge and you lose a lot of counterspace, but it heats up in a quarter of the time of a traditional oven so if you’re doing something small there’s never a reason to not use it

  8. This Ninja Rocks!

    Verified purchase Incentivized
    MichaelB February 21, 2025
    Review source: Bestbuy

    Great add to our kitchen. The Ninja does so many different things, Its an air fryer. It toasts. You can use the oven for baking a pizza. A fabulous multi task appliance.

  9. Mr

    Verified purchase Incentivized
    Bevan February 14, 2025
    Review source: Bestbuy

    Well made and efficient. Practical with relative ease of options available. Replaces toaster and microwave.

  10. So glad I purchased this!

    Verified purchase
    Anita Croesus February 11, 2025
    Review source: Amazon

    I don’t typically do reviews but I had to review this. My regular oven is getting finicky temperature wise. We didn’t want to buy a new one yet so I purchased this Ninja oven. I am so happy I did! I roasted a whole split chicken (no backbone) this evening in the bottom oven, roasted Italian potatoes in the top. The chicken wise very moist, potatoes were perfect. Temperature / timing is exact, controls are easy to use. I have done several full meals already and each one is better than the last!. Easy to clean, air fryer basket in particular cleans in sizer easy. If you have a family, thus will definitely make dinner easier. I highly recommend this product

    Helpful votes Not helpful votes

  11. Miswiring issue

    Verified purchase
    Patricia February 10, 2025
    Review source: Amazon

    Really like the oven. However there is one issue. I was wondering why toast was turning out browned on one side and totally uncooked on the other. Decided to try the bagel setting. It browned on both sides. It seems like toast and bagel wiring got switched around. I wonder if this is true on all units or just mine. Would appreciate some feedback.
    Tricia Dowell

    Helpful votes Not helpful votes