Blooming Onion Sauce (Outback Copycat) Recipe
Introduction
This Blooming Onion Sauce is a creamy, tangy dip inspired by the famous Outback Steakhouse recipe. It’s the perfect companion for crispy fried onions or as a flavorful addition to sandwiches and burgers.

Ingredients
- 1/2 cup mayonnaise
- 1/2 cup sour cream
- 3 tablespoons ketchup
- 2 tablespoons prepared horseradish
- 1 teaspoon paprika
- 1/2 teaspoon kosher salt
- 1 teaspoon granulated garlic
- 1/2 teaspoon dried oregano
- 1/2 teaspoon black pepper
- 1/4 teaspoon cayenne pepper
Instructions
- Step 1: In a medium-sized bowl, combine all the ingredients.
- Step 2: Mix well until the sauce is smooth and all ingredients are thoroughly blended.
- Step 3: Cover and refrigerate the sauce for at least 30 minutes to allow flavors to meld.
- Step 4: Stir the sauce again before serving. Enjoy!
Tips & Variations
- For a spicier kick, increase the amount of cayenne pepper or horseradish to taste.
- Use fresh garlic instead of granulated garlic for a more robust flavor.
- This sauce also works great as a dip for fries or a spread on burgers.
Storage
Store the sauce in an airtight container in the refrigerator for up to 5 days. Stir well before each use. It is best enjoyed chilled.
How to Serve

Serve this delicious recipe with your favorite sides.
FAQs
Can I make the sauce ahead of time?
Yes, making the sauce a few hours ahead or even the night before helps the flavors to develop and enhances the taste.
Can I substitute sour cream with Greek yogurt?
Absolutely. Greek yogurt can be used as a healthier alternative, but it may slightly change the texture and tanginess of the sauce.
PrintBlooming Onion Sauce (Outback Copycat) Recipe
This Blooming Onion Sauce is a creamy, tangy, and slightly spicy dip inspired by the famous Outback Steakhouse recipe. Perfect for pairing with crispy fried onions or as a flavorful accompaniment to grilled meats and vegetables, this sauce combines mayonnaise, sour cream, horseradish, and a blend of spices to create a deliciously addictive condiment.
- Prep Time: 10 minutes
- Cook Time: 0 minutes
- Total Time: 40 minutes
- Yield: About 1 1/2 cups 1x
- Category: Sauce
- Method: No-Cook
- Cuisine: American
- Diet: Low Salt
Ingredients
Blooming Onion Sauce Ingredients
- 1/2 cup mayonnaise
- 1/2 cup sour cream
- 3 tablespoons ketchup
- 2 tablespoons prepared horseradish
- 1 teaspoon paprika
- 1/2 teaspoon kosher salt
- 1 teaspoon granulated garlic
- 1/2 teaspoon dried oregano
- 1/2 teaspoon black pepper
- 1/4 teaspoon cayenne pepper
Instructions
- Combine Ingredients: In a medium-sized bowl, add the mayonnaise, sour cream, ketchup, prepared horseradish, paprika, kosher salt, granulated garlic, dried oregano, black pepper, and cayenne pepper.
- Mix Thoroughly: Stir all the ingredients together well until the mixture is completely smooth and all the spices are evenly distributed throughout the sauce.
- Refrigerate: Cover the bowl with plastic wrap or transfer the sauce to an airtight container, then refrigerate for at least 30 minutes to allow the flavors to meld.
- Final Stir: Give the sauce a good stir before serving. Enjoy it as a dipping sauce for your favorite blooming onion or crispy appetizers.
Notes
- For a more intense horseradish flavor, add an extra teaspoon of prepared horseradish.
- This sauce keeps well in the refrigerator for up to 5 days when stored in an airtight container.
- Adjust cayenne pepper to your preferred spiciness level.
- Great for dipping fried foods, grilled vegetables, or as a sandwich spread.
Keywords: Blooming Onion Sauce, Outback Steakhouse Copycat Sauce, Creamy Dipping Sauce, Horseradish Sauce, Appetizer Sauce

