Peel and trim the onions, creating petals with the root intact.
Combine flour, paprika, garlic powder, salt, and black pepper for the seasoned flour.
Whisk eggs and buttermilk for the egg mixture.
Coat the onions in flour, egg wash, and breadcrumbs.
Preheat air fryer, spray onions with cooking spray, and air fry for 15-20 minutes.
Serve hot with dipping sauce.
