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Tempura Onion Rings Recipe

Tempura Onion Rings Recipe

 Tempura Onion Rings Recipe is a perfect appetizer, snack, or side dish for any occasion. Unlike traditional onion rings that use a heavy batter, tempura onion rings feature a delicate Japanese-style coating that fries up exceptionally light and crunchy.
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Prep Time 15 minutes
Cook Time 15 minutes
Total Time 30 minutes
Servings: 6 people
Course: Appetizer
Cuisine: Japanese
Calories: 280
Ingredients Equipment Method Video Notes

Ingredients
  

For the Onion Rings
  • 2 large sweet onions
  • 1 cup all-purpose flour
  • Vegetable oil for frying
For the Tempura Batter
  • 1 cup all-purpose flour
  • 1 tablespoon cornstarch
  • 1 teaspoon baking powder
  • ¼ teaspoon salt
  • 1 large egg
  • 1 cup ice-cold sparkling water
Optional Dipping Sauces
  • Garlic aioli
  • Ranch dressing
  • Spicy mayo
  • Sweet chili sauce
  • Honey mustard

Equipment

  • Deep frying pan or Dutch oven
  • Mixing bowls
  • Whisk
  • Tongs
  • Wire cooling rack
  • Paper towels
  • Thermometer (optional)

Method
 

Step 1: Prepare the Onions
  1. Peel the onions and slice them into rings about ½ inch thick.
    Tempura Onion Rings Recipe
  2. Separate the rings carefully and place them in a bowl. Choose larger rings for the best presentation and texture.
Step 2: Heat the Oil
  1. Pour vegetable oil into a deep frying pan or Dutch oven.
    Tempura Onion Rings Recipe
  2. Heat the oil to 350°F (175°C). Maintaining the correct temperature ensures crispy onion rings without excess oil absorption.
Step 3: Prepare the Tempura Batter
  1. In a bowl, whisk together flour, cornstarch, baking powder, and salt.
    Tempura Onion Rings Recipe
  2. In a separate bowl, lightly beat the egg and add the ice-cold sparkling water. Combine the wet and dry ingredients, mixing gently. A few lumps are perfectly fine.
Step 4: Coat the Onion Rings
  1. Lightly dust the onion rings with flour.
    Tempura Onion Rings Recipe
  2. Dip each ring into the tempura batter, ensuring it is evenly coated.
Step 5: Fry Until Golden
  1. Carefully place the battered onion rings into the hot oil.
    Tempura Onion Rings Recipe
  2. Fry for approximately 2–3 minutes per side or until light golden brown and crispy. Avoid overcrowding the pan.
Step 6: Drain and Serve
  1. Transfer the cooked onion rings to a wire rack or paper towel-lined plate.
    Tempura Onion Rings Recipe

Video

Notes

This Tempura Onion Rings Recipe offers everything you could want in a crispy appetizer. The light Japanese-style tempura coating creates an airy crunch that perfectly complements the sweet and tender onions inside.
Whether served as a snack, party appetizer, or side dish, these onion rings deliver restaurant-quality results with simple ingredients. Once you experience the delicate crispiness of tempura batter, you may never go back to traditional onion rings again.