
Ninja Prestige Smart XL with Pro Cook System 10-in-1 Air Fry Digital Countertop Convection Toaster Oven DT551
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The Ninja Prestige Smart XL DT551 is a 10-in-1 countertop convection oven that also air fries, roasts, broils, bakes, toasts, dehydrates and reheats. Its standout is the Pro Cook System: a probe thermometer plus Auto Temp Detect that hits a target doneness from rare to well done without guesswork. It cooks on two levels without flipping or rotating and preheats in about 90 seconds. It suits families who want one box to replace a toaster, an air fryer and a small oven; it is large and heavy, so it needs counter space. Against basket air fryers it offers far more capacity and true oven functions, but it is bulkier and slower to clean than a pull-out basket.
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Owners rate the DT551 highly for even two-level cooking and for the Pro Cook thermometer, which turns out meat at the doneness they pick. Complaints center on its size on the counter and on cleaning the interior and accessories.
The Ninja Prestige Smart XL is a countertop convection toaster oven and air fryer with a Pro Cook System. Smart Surround Convection circulates heat around the food for an all-around crisp. It cooks evenly on 2 levels with no rotating, flipping or shaking.
It has 10 cooking programs: Air Fry, Air Roast, Broil, Bake, Whole Roast, Pizza, Toast, Bagel, Reheat and Dehydrate. The Pro Cook System uses Auto Temp Detect Intelligence and a thermometer to cook food from rare to well done at the touch of a button. The oven preheats in 90 seconds and cooks up to 30% faster than a full-size convection oven.
The extra-large interior fits up to two 9x9 baking trays, up to 20 cookies, 9 slices of toast or 9 bagel halves on a rack, or a turkey up to 12 lb. Air fry capacity is up to 8 lb. Air frying uses up to 75% less fat than traditional air frying methods, tested against hand-cut, deep-fried French fries.














