Blooming onion

Ingredients

For the onion

• 1 large jumbo onion (sweet onion works best, like Vidalia or any large sweet variety)
• Cold water (for soaking)

Dry coating mixture

• 1 ½ cups all-purpose flour
• 1 tablespoon paprika
• 1 teaspoon garlic powder
• 1 teaspoon onion powder
• 1 teaspoon black pepper
• 1 teaspoon salt
• ½ teaspoon cayenne pepper (optional, for heat)
• ½ teaspoon dried oregano (optional but recommended)

Wet batter

• 1 cup all-purpose flour
• 1 cup milk
• 1 large egg
• 1 teaspoon salt
• 1 teaspoon paprika
• ½ teaspoon black pepper

For frying

• Oil for deep frying (vegetable oil, canola oil, or sunflower oil)

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Dipping Sauce (Classic Spicy Version)

• ½ cup mayonnaise
• 2 tablespoons ketchup
• 1 tablespoon horseradish (adjust to taste)
• 1 teaspoon paprika
• ½ teaspoon garlic powder
• ½ teaspoon onion powder
• ½ teaspoon chili sauce or hot sauce
• Salt to taste

Mix everything until smooth and refrigerate for at least 30 minutes before serving.

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Preparation Steps (Very Detailed)

Step 1: Preparing the onion

1. Peel the outer skin of the onion completely.
2. Cut about 1 cm off the top (the pointed side), but leave the root end intact.
3. Place the onion cut-side down.
4. Using a sharp knife, cut downward from the top toward the root, making 12–16 evenly spaced cuts. Do not cut through the root.
5. Gently separate the layers with your fingers to form a “bloom” shape.
6. Soak the onion in ice-cold water for at least 1 hour. This helps the petals open up and reduces sharpness.
7. After soaking, drain and pat dry carefully.

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Step 2: Preparing dry coating

1. In a large bowl, mix flour, paprika, garlic powder, onion powder, salt, pepper, cayenne, and oregano.
2. Stir well so the seasoning is evenly distributed.
3. Set aside.

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Step 3: Preparing wet batter

1. In another bowl, whisk flour, milk, egg, salt, paprika, and black pepper.
2. Whisk until smooth and slightly thick but still pourable.
3. Let it rest for 5–10 minutes so the flour hydrates.

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Step 4: Coating the onion (important step)

1. First, gently coat the onion completely in the dry flour mixture.
   • Make sure flour gets between the “petals.”
2. Shake off excess flour carefully.
3. Next, dip the onion into the wet batter.
   • Use a spoon to pour batter into the inner layers.
   • Ensure full coverage.
4. Lift and let excess batter drip off.
5. Repeat dry coating once again for extra crispiness.
   • This double coating is key for a restaurant-style crust.

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Step 5: Heating oil

1. Heat oil in a deep pot or fryer to about 175–180°C (350°F).
2. Oil should be deep enough so the onion can be fully submerged or at least halfway with spooning oil over it.

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Step 6: Frying the blooming onion

1. Carefully lower the coated onion into hot oil, root side down.
2. Fry for about 5–7 minutes first without moving it too much.
3. Then gently spoon hot oil over the top petals to help them cook evenly.
4. Continue frying for another 5–8 minutes until golden brown and crispy.
5. Total frying time is usually 12–15 minutes depending on size.

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Step 7: Draining and finishing

1. Remove the onion carefully using a slotted spoon or tongs.
2. Place it on a wire rack (not paper towel, to avoid sogginess).
3. Let excess oil drip off for a few minutes.
4. Lightly sprinkle a pinch of salt while still hot for better flavor.

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Serving

• Place the blooming onion on a serving plate.
• Put dipping sauce in the center or in a small bowl beside it.
• Serve immediately while hot and crispy.

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Tips for Best Results

• Use a very large onion; small onions won’t “bloom” properly.
• Keep oil temperature steady; too hot burns outer layer, too low makes it greasy.
• Double coating is essential for crunch.
• Ice water soak makes petals open better.
• Always fry root side down first to hold shape.

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Common Mistakes to Avoid

• Cutting through the root (onion will fall apart)
• Skipping soaking step (less bloom effect)
• Overcrowding fryer (oil temperature drops)
• Not seasoning flour properly (bland coating)

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If you want, I can also give you:

• Air fryer version (healthier)
• Oven-baked blooming onion
• Extra crispy fast-food style coating like restaurant chains
• Or a cheese-stuffed blooming onion variation