Enjoy homemade crispy onion rings without the greasy mess by using your NuWave air fryer. Slice onions into rings, dip them in a mixture of flour, buttermilk, and spices, coat them with breadcrumbs, and air fry until they are golden and crispy. The air fryer ensures that the onion rings are cooked evenly and have a satisfying crunch. Serve them as a side dish or as a topping for burgers and sandwiches.