Carefully place the mozzarella-stuffed onion rings into the hot oil. Fry for 2-3 minutes per side , or until golden brown and crispy. Flip gently to ensure even cooking.

The key to creating restaurant-style, crispy, breadcrumbed mozzarella sticks in the air fryer is to cook them from frozen: give them at least 30 minutes in the freezer. They’re delicious served ...