Once a cooking mode is selected, the Ninja automatically goes into a short preheat mode and beeps when it’s time to place food in the oven. Unlike most air fryers, the 7-quart Gourmia GAF798 Digital Air Fryer required preheating (probably due to its large size). Annoyingly, however, if you want to add a few minutes… Continue reading We’re Major Fans of Cuisinart’s Air Fryer Toaster Oven, and This Is the Cheapest We’ve Seen It This Year