Ninja FG551 Foodi Smart XL 6-in-1 Indoor Grill and Air Fryer Review
Indoor grilling has become an increasingly popular way to enjoy grilled food without dealing with weather, outdoor equipment, or the smoke that often comes with traditional grilling. The Ninja FG551 Foodi Smart XL 6-in-1 Indoor Grill and Air Fryer is a countertop appliance that aims to combine two popular cooking methods — grilling and air frying — into a single unit. With its Smart Cook System, dual-sensor thermometer, and a claimed XL capacity, it positions itself as a versatile option for households that want more than one cooking function from a single device.
This review takes a closer look at what the Ninja Foodi Smart XL offers based on the manufacturer’s stated features, and explores what those features mean for everyday cooking.
Design and Build Overview
The Ninja Foodi Smart XL is designed as a countertop appliance, finished in a black and silver color scheme. Its form factor is intended to sit on a kitchen counter, which makes it a practical option for apartments, smaller kitchens, or any space where an outdoor grill is not feasible. The unit is described as an all-in-one indoor electric grill and air fryer oven, meaning it handles both grilling and air frying tasks without requiring separate appliances.
The grill grate is a central component of the design. According to the product information, it fits up to six steaks or 24 hot dogs at once, which supports the XL capacity claim. This sizing is relevant for families, meal preppers, or anyone cooking for a group, since it allows mains and sides to be prepared together rather than in separate batches.
Features and Technology
The most distinctive feature of this model is the Smart Cook System, which pairs with a dual-sensor thermometer. The system uses four protein presets and nine doneness levels, and it is designed to help users achieve results ranging from rare to well done. The stated purpose is to remove guesswork from cooking, so users do not have to rely on timing alone or worry about undercooking or overcooking proteins. It is worth noting that these are the manufacturer’s stated capabilities; the article does not test or verify them independently.
Another key technology is Cyclonic Grilling Technology. The product information states that this uses 500°F cyclonic air to char-grill food evenly on the grill grate. This is described as delivering authentic BBQ grill flavor indoors, along with sear marks, without needing an outdoor grill or smoker. The design is also described as virtually smoke free, which is a meaningful consideration for indoor cooking environments where ventilation may be limited.
Beyond grilling, the appliance offers six cooking functions in total. These include air crisping, roasting, baking, broiling, and dehydrating, in addition to grilling. This multi-function approach means the device is intended to replace several separate appliances, which can be appealing for those looking to save counter space or simplify their kitchen equipment.
Performance and Everyday Experience
In practical terms, the combination of the Smart Cook System and the thermometer suggests a cooking experience where the appliance takes on more of the monitoring role. Rather than watching a timer and hoping for the best, users can select a protein preset and a doneness level, and the system is designed to guide the cooking process accordingly. For anyone who has struggled with getting chicken cooked through without drying it out, or with hitting the right level of doneness on a steak, this feature addresses a common pain point.
The Cyclonic Grilling Technology is positioned as a way to bring outdoor-style grilling indoors. The 500°F cyclonic air is stated to char-grill food evenly and produce sear marks. For apartment dwellers, renters, or anyone without access to an outdoor grill, this is a direct alternative. The virtually smoke-free operation is also relevant for indoor use, since smoke is often the main obstacle to grilling inside.
The XL capacity shapes the everyday experience as well. Being able to fit six steaks or 24 hot dogs on the grate means the appliance can handle larger meals in one go. This is useful for family dinners, meal prepping sessions, or gatherings where multiple items need to be cooked at once. The ability to cook mains and sides together further supports this, reducing the need to juggle multiple pans or appliances.
The air crisping function extends the appliance’s usefulness beyond grilling. Air frying has become a popular way to prepare crispy foods, and having that capability built into the same unit means users can make crispy wings or other fried favorites without a separate air fryer. The additional functions — roasting, baking, broiling, and dehydrating — broaden the range of meals the appliance can support.
Versatility and Compatibility
The Ninja Foodi Smart XL is designed for countertop use, which makes it compatible with most kitchen setups where counter space is available. It is described as ideal for apartments and as an alternative to outdoor kitchen setups. The product information also mentions tailgating as a potential use case, though the appliance is electric and designed for countertop operation, so this would depend on access to power.
Because it combines multiple cooking functions, the appliance is positioned as a replacement for several separate devices. This can be relevant for anyone looking to reduce the number of appliances they own or store. The six functions — grill, air crisp, roast, bake, broil, and dehydrate — cover a wide range of cooking tasks, from quick weeknight meals to longer dehydration projects.
Who Is This Product Best For?
Based on the stated features and use cases, the Ninja Foodi Smart XL is likely to appeal to several groups. Apartment dwellers and renters who cannot use an outdoor grill may find the indoor grilling capability useful, especially given the virtually smoke-free design. Families or households cooking for multiple people may appreciate the XL capacity, which fits up to six steaks or 24 hot dogs. Meal preppers who cook in batches could also benefit from the large grate and multi-function design.
Additionally, anyone who wants to consolidate appliances may find the 6-in-1 versatility appealing, since it covers grilling, air frying, roasting, baking, broiling, and dehydrating. Those who value guided cooking may be interested in the Smart Cook System with its protein presets and doneness levels, as it is designed to reduce guesswork. Finally, people who enjoy crispy foods but want to avoid deep frying may find the air crisp function relevant.
Final Verdict
The Ninja FG551 Foodi Smart XL 6-in-1 Indoor Grill and Air Fryer is a countertop appliance that combines indoor grilling with air frying and several other cooking functions. Its standout features are the Smart Cook System with a dual-sensor thermometer, four protein presets, and nine doneness levels, along with Cyclonic Grilling Technology that uses 500°F cyclonic air for even char-grilling and sear marks. The XL capacity, fitting up to six steaks or 24 hot dogs, supports larger meals and meal prepping.
The appliance is designed to be virtually smoke free and suitable for indoor use, which makes it a practical option for apartments or spaces without outdoor grilling access. Its six functions — grill, air crisp, roast, bake, broil, and dehydrate — position it as a multi-purpose tool that can replace several separate appliances. For those seeking a versatile indoor cooking solution with guided cooking features and generous capacity, the Ninja Foodi Smart XL is a well-rounded option worth considering based on its stated capabilities.
