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Bloomin’ Onion

Total Time

Prep: 30 min. + chilling Cook: 5 min.


4 servings

Updated: May. 18, 2023
No one can resist the crunchy goodness of a bloomin' onion. Plus, the dipping sauce makes this copycat recipe an irresistible replica of the restaurant version. —Taste of Home Test Kitchen, Milwaukee, Wisconsin
Bloomin' Onion Recipe photo by Taste of Home


  • 1/2 cup mayonnaise
  • 2 tablespoons prepared horseradish
  • 2 teaspoons ketchup
  • 1/4 teaspoon garlic powder
  • 1/4 teaspoon smoked paprika
  • 1/8 teaspoon salt
  • 1/8 teaspoon dried oregano
  • Dash cayenne pepper
  • Dash pepper
  • ONION:
  • 1 cup all-purpose flour
  • 1-1/2 teaspoons salt
  • 1 teaspoon garlic powder
  • 1 teaspoon onion powder
  • 1/2 teaspoon paprika
  • 1/2 teaspoon dried oregano
  • 1/2 teaspoon dried thyme, optional
  • 1/2 teaspoon pepper
  • 1/4 teaspoon cayenne pepper
  • Oil for deep-fat frying
  • 1 large egg, lightly beaten
  • 1/2 cup 2% milk
  • 1 large sweet onion


  1. For sauce, combine the first 9 ingredients in a small bowl. Cover and refrigerate at least 2 hours before serving.
  2. For onion, in a shallow bowl, combine flour and seasonings. In an electric skillet or deep fryer, heat oil to 375°. In another shallow bowl, whisk egg and milk. With a sharp knife, slice 1/2 in. off the top of the onion; peel onion. Cut into 16 wedges to within 1/2 in. of root end. Gently spread onion petals apart.
  3. Hold onion over dry ingredients. Spoon flour mixture over and around onion petals; shake off excess. Hold onion over egg mixture. Spoon over and around onion petals; allowing excess to drip off. Again, hold onion over dry ingredients. Spoon flour mixture over and around onion petals; shake off excess.
  4. Fry onion, cut-side down, for 3 minutes. Flip; fry until golden brown, about 3 minutes longer. Drain on paper towels; sprinkle with additional salt. Serve with sauce.

Nutrition Facts

1 serving: 442 calories, 31g fat (4g saturated fat), 59mg cholesterol, 1203mg sodium, 35g carbohydrate (7g sugars, 2g fiber), 7g protein.

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