Blooming Onion

User Reviews

5

26 reviews
Excellent
  • Prep Time

    15 mins

  • Cook Time

    6 mins

  • Total Time

    21 mins

  • Servings

    4

  • Calories

    748 kcal

  • Course

    Appetizer

  • Cuisine

    American

Blooming Onion

Blooming Onion is a large sweet onion cut into flower-like petals, coated in a seasoned flour batter, and deep-fried until crisp and golden. Served with a creamy dipping sauce combining mayonnaise, sour cream, horseradish, and spices, this appetizer features a crunchy exterior and tender onion center, making it ideal to share shortly after frying.

Description

The recipe starts by cutting a large sweet onion into numerous thin sections to create the appearance of a bloom or flower. The onion is coated thoroughly in a seasoned flour mixture containing paprika, cayenne, cumin, thyme, and oregano, which adds a balanced spicy and herbal flavor to the crisp crust.

After dipping in egg and milk wash, the onion is fried in oil with a high smoke point—such as canola, vegetable, or peanut oil—maintained at the correct temperature using a thermometer to ensure even cooking and desired crispness without burning.

The frying process creates a crunchy breading that contrasts with the sweet and tender onion inside. The dish is served with a tangy, creamy sauce made of mayonnaise, sour cream, ketchup, horseradish, and various seasonings, enhancing the taste with a bit of heat and acidity.

For best enjoyment, the blooming onion should be served soon after frying to preserve the crunchy texture. It is generally prepared one at a time to keep frying temperature steady and prevent overcrowding the pot.

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Ingredients

Servings

Blooming Onion

  • 1 sweet onion large
  • 2 ½ c. all-purpose flour
  • 1 Tbsp paprika
  • 1 tsp cayenne pepper
  • ½ tsp cumin ground
  • ½ tsp thyme dried
  • ½ tsp oregano dried
  • 2 egg large
  • 1 c. milk
  • salt to taste
  • black pepper to taste
  • cooking oil for frying

Blooming Onion Sauce

  • ¼ c. mayonnaise
  • ¼ c. sour cream
  • 2 tsp ketchup
  • 1 Tbsp horseradish
  • ¼ tsp paprika
  • ¼ tsp salt
  • tsp garlic powder
  • tsp oregano dried
  • black pepper to taste
  • cayenne pepper to taste

Instructions

Blooming Onion Sauce

  1. In a small bowl whisk together the sauce ingredients, cover and place into the refrigerator while you prepare the onion.

How to Cut the Onion

  1. Slice the onion to make it bloom. Start by cutting off 1/2 inch from the top of the onion, then peel the outer skin from the onion.
  2. Place the onion cut-side down. Starting about 1/2 inch from the root, make a downward cut all the way through to the board. Repeat to make four evenly spaced cuts around the onion.
  3. Make 3 additional cuts between each section until you have 16 evenly spaced cuts. Turn the onion over and set aside for 5 minutes to allow the petals to relax. Prior to breading use your fingers to gently separate the outer pieces.

How to Make the Blooming Onion

  1. Whisk the flour, paprika, cayenne, cumin, thyme and oregano in a large bowl. In a medium deep bowl, whisk the eggs, milk, and 1 cup water.
  2. Place the onion in a clean bowl, cut-side up, and pour the flour mixture on top. Using a large spoon to coat the onion with the flour mixture, especially between the onion petals. Turn the onion over and pat off the excess flour. Reserve the bowl of flour.
  3. Transfer the onion into the egg mixture and coat evenly. Remove and let the excess drip off, then transfer back into the reserved flour mixture and repeat the flouring process.
  4. Place the onion into the refrigerator while you heat the oil.
  5. Using a large deep pot heat your cooking oil to 400 degrees, use a thermometer for best results. Remove the onion from the refrigerator and shake any excess flour from the onion. Using a wire skimmer lower the onion into the oil, cut-side down. Adjust your heat to maintain the oil temperature at 350 degrees.
  6. Fry about 3 minutes, then turn the onion over and cook until golden, about 3 more minutes.
  7. Remove onion using your wire skimmer and drain on a rack placed over paper towels.
  8. Season with salt and pepper, serve with the dip.

Notes

  • Use a large sweet onion rather than red onion for best flavor and texture.
  • Choose an oil with a high smoke point like canola, vegetable, or peanut oil for frying.
  • Use a thermometer to keep oil at the right temperature to avoid burning or soggy breading.
  • Fry one blooming onion at a time to maintain even cooking and stable oil temperature.
  • Serve the blooming onion soon after frying to keep the coating crisp and crunchy.
  • Use a heavy pot that retains heat well for consistent frying results.

Nutrition Information

Show Details
Calories 748kcal (37%) Carbohydrates 122g (41%) Protein 21g (42%) Fat 19g (29%) Saturated Fat 5g (25%) Cholesterol 99mg (33%) Sodium 353mg (15%) Potassium 396mg (8%) Fiber 5g (20%) Sugar 7g (14%) Vitamin A 1456IU (29%) Vitamin C 3mg (3%) Calcium 135mg (14%) Iron 8mg (44%)

Nutrition Facts

Serving: 4Serving

Amount Per Serving

Calories 748 kcal

% Daily Value*

Calories 748kcal 37%
Carbohydrates 122g 41%
Protein 21g 42%
Fat 19g 29%
Saturated Fat 5g 25%
Cholesterol 99mg 33%
Sodium 353mg 15%
Potassium 396mg 8%
Fiber 5g 20%
Sugar 7g 14%
Vitamin A 1456IU 29%
Vitamin C 3mg 3%
Calcium 135mg 14%
Iron 8mg 44%

* Percent Daily Values are based on a 2,000 calorie diet.

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Overall Rating

5

26 reviews
Excellent

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