Air Fryer Blooming Onion
A whole onion opened into petals and coated with a dry double dredge, designed to crisp in an air fryer without a dripping wet batter.
⏱ 35 min total🔪 17 min prep🔥 18 min cookAdvancedServes 4American
Ingredients
- •1 large sweet onion
- •1 cup all-purpose flour
- •2 tbsp cornstarch
- •1 tsp smoked paprika
- •1 tsp garlic powder
- •1/4 tsp cayenne pepper
- •3/4 tsp kosher salt
- •2 eggs
- •2 tbsp buttermilk
- •as needed neutral oil spray
Directions
- 1Trim the onion top but leave the root intact; place root-side down and make 12–16 cuts from 1/2 inch above the root to the board.
- 2Turn the onion over and gently separate the petals; soak in ice water 10 minutes, then drain and dry thoroughly.
- 3Mix flour, cornstarch, paprika, garlic powder, cayenne, and salt; whisk eggs with buttermilk in a second bowl.
- 4Work seasoned flour between every onion petal, spoon over the egg mixture, then dredge again with flour, pressing coating into the layers.
- 5Preheat the air fryer to 350°F (175°C) for 3 minutes; place the single onion root-side down in the basket and spray generously between the petals.
- 6Air fry 18 minutes without turning, then raise to 390°F (200°C), spray any dry flour patches, and cook 5–7 minutes more until crisp.
💡 Dry the onion completely after the ice-water soak; any trapped water turns the second flour coating into paste instead of a crisp shell.
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