Peel the outer skin of a large onion and cut off the top of the onion. Cut onion into 16 even slices, but do not cut all the way through the onion.
In a small bowl, beat the egg. In another bowl, mix the breadcrumbs, flour, garlic powder, paprika, cayenne pepper, salt, and black pepper.
Dip the onion into the egg mixture, making sure every slice is evenly coated.
Place the onion in the breadcrumb mixture and coat it with the mixture, making sure every slice is evenly coated.
Preheat the air fryer to 375°F.
Brush the onion with olive oil, making sure every slice is coated, or separate the onion petals and spritz them with olive oil.
Sprinkle the petals with garlic powder.
Place the onion in the air fryer basket making sure not to overcrowd them and Air fry for 5-7 minutes.
Rotate the basket and cook for 10-12 minutes or until golden brown and crispy.
Serve the Air Fryer Blooming Onion with your favorite dipping sauce and enjoy!
Remove from the air fryer and serve immediately for the best results.