1. Mix together the hash browns, sour cream, turkey ham, mushroom soup, breadcrumbs, and parmesan in a large bowl. Spread this mixture into the baking dish that can fit into your Air Fryer basket.
2. Cook in the Air Fryer for 30-40 minutes at 350 F (175 C). Sprinkle with cheddar cheese during the last 15 minutes of cooking time.