Enjoy crispy and flavorful onion rings made in the Ninja Foodi Air Fryer. Slice onions into rings, dip them in a mixture of flour, breadcrumbs, and spices, and place them in the air fryer basket. Cook at a high temperature for about 10-12 minutes until the onion rings are golden and crispy. The air fryer ensures a healthier version of this classic snack without sacrificing taste.