Place onion rings into air fryer basket in single layer.
Cook at 400 degrees F (204 degrees C) for 6 minutes. Flip each ring over and cook additional 4 to 5 minutes. Keep an eye on onion rings in last few minutes of cooking.
Serve warm and enjoy!
Notes
Pro Tip: This recipe can be made in the air fryer unit with a basket or the air fryer oven. If you are using the air fryer oven, use the middle rack and select the "Air Fry" function.