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Baby Air Fryer Blooming Onions

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Total Time: 35 minutes
Active Time: 15 minutes
Intensity: Easy
Servings: 2-4 as an appetizer

A Spectacular, Shareable Treat Made Easy

Forget the deep fryer and the giant restaurant version! These Baby Blooming Onions are the perfect, adorable, and healthier appetizer for game day, movie night, or impressing guests. Using sweet Vidalia or standard yellow onions, we transform them into golden, crispy “blooms” with an irresistible seasoned crust—all cooked to perfection in your air fryer. Paired with a quick, creamy Zesty Dipping Sauce, each petal is a delightful crunch of flavor. They’re easier than you think, far less messy, and absolutely addictive.

Ingredients

For the Blooming Onions:

  • 2 medium-sized sweet onions (like Vidalia) or yellow onions, about 3-4 inches in diameter

  • 1/2 cup all-purpose flour

  • 1 large egg

  • 1/4 cup milk

  • 1 cup panko breadcrumbs

  • 1 1/2 teaspoons paprika

  • 1 teaspoon garlic powder

  • 1 teaspoon onion powder

  • 1/2 teaspoon cayenne pepper (adjust to taste)

  • 1/2 teaspoon kosher salt

  • 1/4 teaspoon freshly ground black pepper

  • Non-stick cooking spray or olive oil spray

For the Zesty Dipping Sauce:

  • 1/2 cup mayonnaise

  • 2 tablespoons ketchup

  • 1 tablespoon prepared horseradish (more for extra kick)

  • 1/2 teaspoon paprika

  • 1/4 teaspoon garlic powder

  • 1/4 teaspoon Worcestershire sauce

  • Salt and pepper to taste

Equipment

  • Air Fryer

  • Sharp knife

  • Cutting board

  • Three shallow bowls (for dredging stations)

  • Whisk

  • Mixing spoon

Step-by-Step Instructions

1. Prep the Onions (The Most Important Step!)
Place an onion on a cutting board, root side down. Using a sharp knife, about 1/2 inch from the root, cut straight down to create your first “petal.” Make three more evenly spaced cuts around it, so you have a quartered onion still held together by the root.
Now, carefully make three cuts between each of the four quarters, for a total of 16 sections. Crucial Tip: Always cut from the top towards the root, but DO NOT cut through the root end. This is what holds your bloom together.
Gently fan out the “petal” sections. Repeat with the second onion.

2. Create Your Dredging Stations
In your first shallow bowl, combine the flour, 1 teaspoon paprika, 1/2 teaspoon garlic powder, 1/2 teaspoon onion powder, salt, and pepper. Mix well.
In the second bowl, whisk together the egg and milk until fully combined.
In the third bowl, mix the panko breadcrumbs with the remaining 1/2 teaspoon paprika, 1/2 teaspoon garlic powder, 1/2 teaspoon onion powder, and the cayenne pepper.

3. Bread the Blooms
One at a time, place a fanned onion into the flour mixture. Use your fingers to sprinkle and press the flour over every surface and between the petals. Shake off excess.
Next, dip the floured onion into the egg wash, ensuring it gets fully coated. Let the excess drip off.
Finally, place the onion into the panko mixture. Again, use your fingers to gently coat every petal, sprinkling crumbs into the center. Pat gently to help the coating adhere. Place the coated onion on a plate and repeat with the second onion.

4. Air Fry to Golden Perfection
Preheat your air fryer to 375°F (190°C) for 3 minutes.
Lightly spray the air fryer basket with cooking spray. Carefully place one breaded onion in the basket, root side down. Generously spray the entire bloom with cooking spray—this is key for browning and crispiness.
Air fry for 12-15 minutes, or until the petals are deep golden brown and crispy. No need to flip during cooking. Remove and repeat with the second onion.

5. Make the Dipping Sauce
While the onions cook, combine all sauce ingredients—mayonnaise, ketchup, horseradish, paprika, garlic powder, and Worcestershire—in a small bowl. Mix until smooth. Season with salt and pepper. Cover and refrigerate until serving.

Serving & Final Touches

Transfer the hot, crispy Baby Blooming Onions to a serving plate. Place the bowl of Zesty Dipping Sauce in the center for sharing. Serve immediately while they are at their peak crispness. Encourage everyone to pull off the crunchy, seasoned petals and dunk them into the cool, tangy sauce.

Chef’s Notes & Tips

  • Onion Stability: The root is your best friend. A flat, intact root base ensures the onion holds its shape.

  • Spice Level: Control the heat by adjusting the cayenne in the panko and the horseradish in the sauce.

  • Gluten-Free Option: Use a 1:1 gluten-free flour blend and gluten-free panko breadcrumbs.

  • Storage: These are best enjoyed fresh. Leftovers will lose crispness but can be reheated in the air fryer at 375°F for 3-4 minutes.

  • Don’t Crowd: Air fry one onion at a time for the best air circulation and even cooking.

Nutritional Information (Per Serving – 1/2 of one onion with 2 tablespoons of sauce)

  • Calories: ~320 kcal

  • Total Fat: 18g

  • Saturated Fat: 3g

  • Cholesterol: 50mg

  • Sodium: 480mg

  • Total Carbohydrates: 34g

  • Dietary Fiber: 3g

  • Sugars: 8g

  • Protein: 7g

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