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Air Fryer Mini Blooming Onion

A perfectly cooked, crispy air fryer mini blooming onion, golden brown and seasoned, resting on a light plate.

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Make a crispy, restaurant-style blooming onion appetizer quickly and easily in your air fryer. This recipe uses smaller onions for a perfect small-batch snack.

Ingredients

Scale
  • 2 small yellow onions (about 3 inches wide)
  • 1 cup all-purpose flour
  • 1/2 cup cornstarch
  • 1 tablespoon paprika
  • 1 teaspoon garlic powder
  • 1 teaspoon onion powder
  • 1 teaspoon dried oregano
  • 1/2 teaspoon cayenne pepper (adjust for spice)
  • 1/2 teaspoon salt
  • 1/4 teaspoon black pepper
  • 1 large egg
  • 1/2 cup milk (dairy or non-dairy)
  • Cooking spray (oil-based)

Instructions

  1. Prepare the onions: Peel the onions. Place one onion root-side down. Using a sharp knife, cut deep vertical slices from the top toward the root, stopping about 1/2 inch from the root base. Do not cut all the way through. Repeat this cutting pattern around the onion, creating petals. Gently spread the onion open slightly. Repeat with the second onion.
  2. Mix the dry coating: In a shallow dish, whisk together the flour, cornstarch, paprika, garlic powder, onion powder, oregano, cayenne pepper, salt, and black pepper.
  3. Mix the wet coating: In a separate bowl, whisk the egg and milk together until combined.
  4. Coat the onions: Dip each onion completely into the wet mixture, letting excess drip off. Immediately dredge the onion in the dry mixture, pressing the flour mixture firmly into all the crevices to coat thoroughly. Shake off any loose flour.
  5. Preheat the air fryer: Set your air fryer to 375°F (190°C).
  6. Cook the onions: Lightly spray the air fryer basket with cooking spray. Place one coated onion in the basket. Spray the top surface of the onion generously with cooking spray to aid crisping.
  7. Air fry for 12 to 15 minutes, flipping carefully halfway through and spraying the second side with cooking spray. The onion is done when the coating is deep golden brown and crispy.
  8. Remove carefully and serve immediately with your favorite dipping sauce. Repeat with the second onion.

Notes

  • For best blooming results, use onions that are uniform in size.
  • If the coating seems too thick, you can thin the wet mixture slightly.
  • If you prefer a spicier kick, increase the cayenne pepper in the dry mix.

Nutrition

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