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A metal spoon is used to serve the blooming onion sauce from a bowl.
5 from 2 votes

Blooming Onion Sauce Recipe

Blooming Onion Dipping Sauce is the perfect creamy and tangy accompaniment for your deep-fried or air fried dish! Prep this Outback Steakhouse copycat recipe ahead of time and have it ready to enjoy when you are.

Course dip
Cuisine American
Prep Time 5 minutes
Total Time 5 minutes
Servings 8 servings
Calories 100 kcal


  • ½ cup mayonnaise or a plant-based alternative
  • 1 Tbsp. ketchup regular or no sugar added
  • 2-3 tsp. horseradish to taste
  • ½ tsp. paprika
  • ¼ tsp. garlic powder
  • ¼ tsp. oregano dried
  • Pinch of cayenne pepper optional
  • ¼ tsp. salt to taste


  1. Combine all ingredients in a medium-sized bowl and whisk to combine. Add a teaspoon of horseradish at a time, depending on your desired taste.
  2. Serve immediately with an Air Fryer Blooming Onion or store in the refrigerator for up to 24 hours for the best flavor. Enjoy!

Recipe Notes

  • One serving is roughly 1 tablespoon of sauce.
  • To Store: Seal in an airtight container and keep in the fridge for up to 1 month.
  • To Freeze: This is not recommended as the mayonnaise will separate.
Nutrition Facts
Blooming Onion Sauce Recipe
Amount Per Serving
Calories 100 Calories from Fat 99
% Daily Value*
Fat 11g17%
Saturated Fat 2g13%
Trans Fat 1g
Polyunsaturated Fat 6g
Monounsaturated Fat 2g
Cholesterol 6mg2%
Sodium 171mg7%
Potassium 22mg1%
Carbohydrates 1g0%
Fiber 1g4%
Sugar 1g1%
Protein 1g2%
Vitamin A 173IU3%
Vitamin C 1mg1%
Calcium 5mg1%
Iron 1mg6%
* Percent Daily Values are based on a 2000 calorie diet.