Ninja Foodi Smart XL Air Fry Oven Review – Pros & Cons – Ninja Foodi

The Ninja Foodi Smart XL Air Fry Oven is like a kitchen beast. It can do so many things, and it does them well. You can air fry chicken until it’s super crispy. Also, you can bake cookies that taste just right. This oven can even roast a whole chicken! It has ten different cooking functions. These features make it a very useful tool in your kitchen.

This Ninja Foodi Smart XL Air Fry Oven comes with a smart thermometer. This helps you cook meat perfectly without guessing. It also has a large capacity. You can cook on two levels at the same time. This is great for families or when you have guests. The true surround convection makes sure your food cooks evenly. Plus, it heats up fast, so dinner is ready quicker.

Recommendations for this Ninja Foodi Smart XL Air Fry Oven are high. Many people find it easy to use and clean. It includes six trays and a recipe guide. This helps you get started right away. If you want a versatile oven that saves time and space, the Ninja Foodi Smart XL Air Fry Oven could be a great choice for your kitchen production.

FEATURES:
– 10-in-1 functionality
– Smart XL size
– Air fry capability
– Baking function
– Broiling function
– Toasting function
– Roasting function
– Digital toaster
– Integrated thermometer
– True Surround Convection

The Ninja DT251 Foodi Smart XL Air Fry Oven is a large kitchen appliance that can do 10 different things, like air fry (cook with hot air to make things crispy), bake, broil (cook with direct heat from above), toast, and roast. It also works as a digital toaster and has a built-in thermometer to help you cook food perfectly. The “True Surround Convection” means it uses powerful fans to cook food faster and make it crispier on all sides. It can heat up to 450 degrees Fahrenheit and comes with 6 trays and a recipe book.

PROS:
– 10 versatile functions
– True Surround Convection
– Smart Cook System
– Extra large capacity
– Quick 90-second preheat
– Cooks up to 30% faster
– Digital display handle
– Includes 6 trays
– Comes with recipe guide
– Up to 450°F

CONS:
– Can be hard to clean
– Large size takes up counter space
– Air frying can be uneven
– Not the best for crispy results
– Toasting can be uneven
– No setting for very light toast
– Can’t roast a whole chicken
– Lacks more cooking guidelines
– May make rattling noises
– Hand wash required for some parts

The Ninja DT251 Foodi is a large, 10-in-1 smart air fry oven that can air fry, bake, broil, toast, roast, and more, with a temperature up to 450°F. It has a “True Surround Convection” feature for faster and crispier cooking and a “Smart Cook System” with a thermometer to help you cook food perfectly. It has a big inside space with six trays and preheats very quickly. However, it’s large and might take up a lot of space on your counter and can be hard to clean. Some users have found that air frying and toasting can be uneven, and it might not make things as crispy as some would like. Also, you can’t roast a whole chicken in it, and some parts need to be washed by hand. Read more…













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Best Ninja Foodi Smart Xl Air Fry Deals

Ninja | Indoor Grill and Air Fryer| Foodi Smart XL | 6-in-1 Grill, Air Fry, Roast, Bake, Broil, Dehydrate & Crisp |Smart Thermometer & Splatter Shield | Dishwasher Safe Parts | Black/Silver | FG551

Image of Ninja | Indoor Grill and Air Fryer| Foodi Smart XL | 6-in-1 Grill, Air Fry, Roast, Bake, Broil, Dehydrate & Crisp |Smart Thermometer & Splatter Shield | Dishwasher Safe Parts | Black/Silver | FG551

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Key Features

  • ✅ SMART INDOOR GRILL & AIR FRYER COMBO: The Ninja Foodi Smart XL Grill is an all-in-one indoor electric grill and air fryer oven that sears, sizzles, and crisps. Ideal for countertop use, it combines grilling and air frying with Ninja’s Smart Cook System and dual-sensor thermometer for perfect results every time
  • ✅ CYCLONIC GRILLING TECHNOLOGY: Enjoy authentic BBQ grill flavor indoors with 500°F cyclonic air that char-grills food evenly on the grill grate. Get delicious sear marks with no need for outdoor grills or smokers. Perfect for apartments or indoor smokeless grill cooking.
  • ✅ SMART COOK SYSTEM WITH THERMOMETER: The Foodi Smart Thermometer uses 4 protein presets and 9 doneness levels to take the guesswork out of cooking. Whether it’s rare steak or well-done chicken, get it right every time — no more undercooked meals or overcooking.
  • ✅ XL CAPACITY FAMILY SIZED CAPACITY: The grill grate fits up to 6 steaks or 24 hot dogs — cook mains and sides all at once. Ideal for large air fryer needs, meal prepping, or family dinners. Also fits well into outdoor kitchen alternatives and tailgating.
  • ✅ 6-IN-1 VERSATILITY: More than just a grill! This Ninja air fryer also air crisps, roasts, bakes, broils, and dehydrates. From juicy burgers to crispy wings, it replaces multiple appliances. A must-have for fans of air fryer ovens and multi-cookers.

Product Details

Brand:Ninja
Model:FG551
Size:Ninja Foodi Smart XL Grill + Thermometer
Color:Black & Silver
Dimensions:15.75 X 16.54 X 11.1 inches
Warranty:1-Year limited warranty

Ninja DT251 Foodi 10-in-1 Smart XL Air Fry Oven, Bake, Broil, Toast, Roast, Digital Toaster, Thermometer, True Surround Convection up to 450°F, includes 6 trays & Recipe Guide, Silver

Image of Ninja DT251 Foodi 10-in-1 Smart XL Air Fry Oven, Bake, Broil, Toast, Roast, Digital Toaster, Thermometer, True Surround Convection up to 450°F, includes 6 trays & Recipe Guide, Silver

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Key Features

  • ✅ TRUE SURROUND CONVECTION: Up to 10X the convection power vs. a traditional full-size convection oven for faster, crispier, and juicy results.
  • ✅ 10 VERSATILE FUNCTIONS: Air Fry, Air Roast, Bake, Whole Roast, Broil, Toast, Bagel, Dehydrate, Reheat, and Pizza, all in one powerful 1800-watt appliance.
  • ✅ SMART COOK SYSTEM: Achieve the perfect doneness from rare to well done at the touch of a button with the integrated Foodi Smart Thermometer - no guesswork required.
  • ✅ QUICK FAMILY MEALS: 90-second oven preheat time and up to 30% faster cooking than a traditional full-size convection oven.
  • ✅ EXTRA LARGE CAPACITY: 2-level even cooking, no rotating required—fit a 5-lb chicken and a sheet pan of vegetables, 2 12-in pizzas, or a 12-lb turkey. Make 2 sheet pan meals at once for entertaining or weekly meal prep.

Product Details

Brand:Ninja
Model:DT251
Size:10-in-1 with Thermometer
Color:10-in-1 with Thermometer
Dimensions:17.09 X 20.22 X 13.34 inches
Warranty:1 Year Limited Warranty

Ninja DG551 Foodi Smart XL 6-in-1 Indoor Grill with Air Fry, Roast, Bake, Broil, & Dehydrate, Foodi Smart Thermometer, 2nd Generation, Black/Silver

Image of Ninja DG551 Foodi Smart XL 6-in-1 Indoor Grill with Air Fry, Roast, Bake, Broil, & Dehydrate, Foodi Smart Thermometer, 2nd Generation, Black/Silver

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Key Features

  • ✅ NINJA FOODI SMART XL GRILL: Updated, sleek design with the same functions & benefits. Indoor countertop Grill and Air Fryer with the Smart Cook System & Thermometer.
  • ✅ SMART COOK SYSTEM & THERMOMETER: The Foodi Smart Thermometer enables you to achieve the perfect doneness, from rare to well-done with 4 protein settings & 9 customizable doneness levels. Do it at the touch of a button with no more guesswork, hassle-free.
  • ✅ CYCLONIC GRILLING TECHNOLOGY: Uses 500°F of hot cyclonic air and 500°F grill grate to perfectly cook or char grill your food with char-grilled marks and delicious flavors.
  • ✅ Wattage: 1760 watts; voltage: 120 volts.
  • ✅ 6 VERSATILE COOKING FUNCTIONS: Grill, Air Crisp, Roast, Bake, Broil, and Dehydrate functions enabled by the wide temperature range.

Product Details

Brand:Ninja
Model:DG551
Size:Ninja Foodi Smart XL Grill + Thermometer
Color:Black/Silver
Dimensions:15.7 X 11.1 X 16 inches
Warranty:1 Year Limited Warranty

Ninja Foodi Air Fryer w/ Smart Cook Thermometer | 6-in-1 Air Fry, Roast, Bake, Dehydrate & More | DualZone™ Match Cook & Smart Finish, 2 Independent Baskets | XL 10 Qt, Stainless Steel | Black, DZ550

Image of Ninja Foodi Air Fryer w/ Smart Cook Thermometer | 6-in-1 Air Fry, Roast, Bake, Dehydrate & More | DualZone™ Match Cook & Smart Finish, 2 Independent Baskets | XL 10 Qt, Stainless Steel | Black, DZ550

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Key Features

  • ✅ SMART COOK SYSTEM: Achieve the perfect doneness, from rare to well-done, at the touch of a button with the integrated Foodi Smart Thermometer—no guesswork required.
  • ✅ MAKE WHOLE MEALS AT ONCE: DualZone Technology allows you to choose between Smart Finish, which cooks 2 foods 2 ways and finishes at the same time, and Match Cook, which copies settings across zones for full 10-qt. capacity meals.
  • ✅ 6-IN-1 FUNCTIONALITY: Stainless steel air fryer includes 6 versatile programs to air fry, air broil, roast, bake, reheat, and dehydrate.
  • ✅ 2 FOODS, 2 WAYS, AT THE SAME TIME: Eliminate back-to-back cooking like a traditional single-basket air fryer with 2 independent XL air fryer baskets.
  • ✅ EASY TO CLEAN, NON TOXIC AIR FRYER: The non-stick cooking surface is made 100% PFAS free and the crisper plates are dishwasher safe for easier clean-up

Product Details

Brand:Ninja
Model:DZ550
Size:10QT
Color:10QT w/Thermometer BLACK
Dimensions:17.1 X 13.9 X 12.8 inches
Warranty:1 Year Limited Warranty

Air Fryer Liners For Ninja Foodi XL Smart FG551 6-in-1 Indoor Grill,100PCS Rectangular Air Fryer Disposable Paper Liner, Suitable for Ninja Foodi XL Smart

Image of Air Fryer Liners For Ninja Foodi XL Smart FG551 6-in-1 Indoor Grill,100PCS Rectangular Air Fryer Disposable Paper Liner, Suitable for Ninja Foodi XL Smart

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Key Features

  • ✅ 【Air Fryer Liners for Ninja Smart XL Air Fryer】: - The size of baking paper size is 11*6 inch.Compatible for Ninja FG551 Foodi Smart XL 6-in-1 Indoor Grill.Ninja DG551 IG601, IG651,etc, the disposable rectangle liners even fit grill and air fryer combo with a rectangular basket
  • ✅ 【Keep Your Air Fryer Clean】Our ECFVTP parchment paper for air fryer can effectively keep food residue away from fryer and make it as clean as unused, saving time and effort. If you hate cleaning after baking, our air fryer accessories are your best helper.
  • ✅ 【Food Grade Air Fryer Paper Liners】Our air fryer accessories using food grade parchment,, waterproof, oil-proof, non-stick and heat-resistant. Air fryer liners can withstand temperatures up to 450°F (230°C). And the parchment paper bowl for baking has no effect on the taste of food.
  • ✅ 【Easy to Use】The parchment pan is designed with a rectangular bowl shape, they are ready to use and fit perfectly. The oven liner is high enough to prevent food leaks and sticking, oil spilling, food residue and etc.
  • ✅ 【Attention】Make sure that food are evenly and completely placed on the top of the air fryer liners to avoid air fryer liners flying away or burning by heating elements! Don't put in the air fryer liners when preheating!

Product Details

Brand:Ecfvtp
Model:TONJ118
Size:for Ninja Foodi XL Smart FG551 6-in-1 Indoor Grill
Color:for Ninja Foodi XL Fryer

Ninja Foodi Air Fryer w/Smart Cook Thermometer | 6-in-1 Air Fry, Roast, Bake, Dehydrate & More | DualZone™ Match Cook & Smart Finish, 2 Independent Baskets | XL 10 Qt, Stainless Steel | Grey,DZ550GY

Image of Ninja Foodi Air Fryer w/Smart Cook Thermometer | 6-in-1 Air Fry, Roast, Bake, Dehydrate & More | DualZone™ Match Cook & Smart Finish, 2 Independent Baskets | XL 10 Qt, Stainless Steel | Grey,DZ550GY

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Key Features

  • ✅ SMART COOK SYSTEM: Achieve the perfect doneness, from rare to well-done, at the touch of a button with the integrated Foodi Smart Thermometer—no guesswork required.
  • ✅ MAKE WHOLE MEALS AT ONCE: DualZone Technology allows you to choose between Smart Finish, which cooks 2 foods 2 ways and finishes at the same time, and Match Cook, which copies settings across zones for full 10-qt. capacity meals.
  • ✅ 6-IN-1 FUNCTIONALITY: Stainless steel air fryer includes 6 versatile programs to air fry, air broil, roast, bake, reheat, and dehydrate.
  • ✅ 2 FOODS, 2 WAYS, AT THE SAME TIME: Eliminate back-to-back cooking like a traditional single-basket air fryer with 2 independent XL air fryer baskets.
  • ✅ EASY TO CLEAN, NON TOXIC AIR FRYER: The non-stick cooking surface is made 100% PFAS free and the crisper plates are dishwasher safe for easier clean-up

Product Details

Brand:Ninja
Model:DZ550GY
Size:10QT
Color:10QT w/Thermometer GREY
Dimensions:17.1 X 14.8 X 12.8 inches

Ninja IG651 Foodi Smart XL Pro 7-in-1 Indoor Grill/Griddle Combo, use Opened or Closed, Air Fry, Dehydrate & More, Pro Power Grate, Flat Top, Crisper, Smart Thermometer, Black

Image of Ninja IG651 Foodi Smart XL Pro 7-in-1 Indoor Grill/Griddle Combo, use Opened or Closed, Air Fry, Dehydrate & More, Pro Power Grate, Flat Top, Crisper, Smart Thermometer, Black

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Key Features

  • ✅ NINJA'S MOST POWERFUL GRILL: 500F independently powered grill grate creates direct, edge-to-edge high-heat searing for better char-grilled results. (Based on grill grate's direct heating element Versus FG500-series grills.)
  • ✅ 12” BBQ GRIDDLE: flat top bbq griddle cooks foods grills can't and interlocks with the grate to harness its direct high heat. Precise temperature controls allow for fast, even cooking without hot or cold spots.
  • ✅ HOOD UP OR HOOD DOWN COOKING: Keep the hood down to add cyclonic air for fast, even, high-heat cooking, surround searing, crisping, and melting. Keep the hood up for intense high heat searing and flavors with direct bottom heat only.
  • ✅ SMART COOK SYSTEM PLUS THERMOMETER: The Foodi Smart Thermometer enable you to achieve the perfect doneness from rare to well with 4 smart protein settings & 9 customizable doneness levels. Do it all at a touch of a button with no more guesswork & no more over or under cooking.
  • ✅ UP TO 75% LESS FAT: Air fry crisp with up to 75% less fat than deep frying (tested against hand-cut, deep-fried French fries), using the included 4-qt crisper basket.

Product Details

Brand:Ninja
Model:IG651
Size:Countertop Griddle/Grill
Color:Black
Dimensions:6.1811023559 X 6.8503936938 X 6.99999999286 inches
Warranty:1 Year Limited Warranty

Ninja DoubleStack XL Smart Air Fryer, 2-Basket, 10 QT, 6-in-1, DoubleStack Technology Cooks 4 Foods at Once, Space Saving Design, Air Fry, Broil, Bake SL451

Image of Ninja DoubleStack XL Smart Air Fryer, 2-Basket, 10 QT, 6-in-1, DoubleStack Technology Cooks 4 Foods at Once, Space Saving Design, Air Fry, Broil, Bake SL451

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Key Features

  • ✅ SPACE SAVING DESIGN: Ninja’s stacked design lets you cook double the food in nearly half the space and still fits under standard cabinets. Plus, it’s 40% slimmer than your traditional 2-basket air fryers.
  • ✅ SMART COOK SYSTEM: Achieve the perfect doneness, from rare to well-done, at the touch of a button with the integrated Foodi Smart Thermometer—no guesswork required.
  • ✅ DOUBLESTACK AIR FRYING TECHNOLOGY: Only Ninja’s stacked design has 2 independently controlled baskets so you can cook 4 foods at once
  • ✅ COOK 4 FOODS WITH STACKED MEAL RACKS: Includes 2 removable stacked meal racks allowing you to cook on 2 levels per basket. Superheated air surrounds both foods in each basket for an all-around crisp.
  • ✅ SMART FINISH & MATCH COOK: Choose between the Smart Finish feature, which unlocks cooking 2 foods 2 ways that finish at the same time, and the Match Cook feature, which easily copies settings across zones for full 10-qt. capacity meals.

Product Details

Brand:Ninja
Model:SL451
Size:10.0 Qt
Color:Deep Gray 004
Dimensions:11.25 X 19.22 X 15.14 inches

Ninja DZ401 Foodi 10 Quart 6-in-1 DualZone XL 2-Basket Air Fryer with 2 Independent Frying Baskets, Match Cook & Smart Finish to Roast, Broil, Dehydrate for Quick, Easy Family-Sized Meals, Grey

Image of Ninja DZ401 Foodi 10 Quart 6-in-1 DualZone XL 2-Basket Air Fryer with 2 Independent Frying Baskets, Match Cook & Smart Finish to Roast, Broil, Dehydrate for Quick, Easy Family-Sized Meals, Grey

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Key Features

  • ✅ MAKE WHOLE MEALS AT ONCE: DualZone Technology allows you to choose between Smart Finish, which cooks 2 foods 2 ways and finishes at the same time, and Match Cook, which copies settings across zones for full 10-qt. capacity meals.
  • ✅ 6-IN-1 FUNCTIONALITY: Stainless steel air fryer includes 6 versatile programs to air fry, air broil, roast, bake, reheat, and dehydrate.
  • ✅ 2 FOODS, 2 WAYS, AT THE SAME TIME: Eliminate back-to-back cooking like a traditional single-basket air fryer with 2 independent XL air fryer baskets.
  • ✅ EASY TO CLEAN, NON TOXIC AIR FRYER: The non-stick cooking surface is made 100% PFAS free and the crisper plates are dishwasher safe for easier clean-up
  • ✅ 30% FASTER COOKING: Cook two 6-lb. chickens up to 30% faster than a traditional oven and make all of your favorites guilt-free with little to no oil.

Product Details

Brand:Ninja
Model:DZ401
Size:10QT
Color:10QT GREY
Dimensions:17.1 X 13.9 X 12.8 inches
Warranty:1 Year Limited Warranty

Ninja Digital Air Fryer & Toaster Oven | 8-in-1 Functionality | Flip-Up Design | XL Capacity | Air Fry Basket, Sheet Pan, Wire Rack & Crumb Tray | 1800 Watt | Silver | SP101

Image of Ninja Digital Air Fryer & Toaster Oven | 8-in-1 Functionality | Flip-Up Design | XL Capacity | Air Fry Basket, Sheet Pan, Wire Rack & Crumb Tray | 1800 Watt | Silver | SP101

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Key Features

  • ✅ DIGITAL CRISP CONTROL TECHNOLOGY: Precision-controlled temperature, heat source, and airflow for ultimate versatility and optimum cooking performance.
  • ✅ 8-IN-1 VERSATILITY: The ultimate meal-making machine with 8-in-1 functionality: Air Fry, Air Roast, Air Broil, Bake, Bagel, Toast, Dehydrate, and Keep Warm all in one powerful, 1800-watt appliance. The height of the interior of this machine is approximately 3".
  • ✅ LESS FAT: Eat all of your air fried favorites guilt-free with up to 75% less fat when using the Air Fry function vs. traditional deep frying. Tested against hand-cut, deep fried French Fries.
  • ✅ FASTER COOKING: Cooks up to 60% faster than a traditional oven on Air Roast; 60-second preheat; full meals in as little as 20 minutes.
  • ✅ LARGE CAPACITY: 45% larger usable pan cooking area vs. the flat surface area of the Cuisinart toa-60 and toa-65 pan. Fits a 13" Pizza, up to 9 slices of toast, or 6 chicken breasts (6–8 oz. each).

Product Details

Brand:Ninja
Model:SP101 LP3
Size:8 Functions
Color:Silver & Black
Dimensions:7.5599999922888 X 19.719999979886 X 14.959999984741 Inches
Warranty:1 Year Limited Warranty
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