How many servings does this recipe make?

This recipe makes 4 servings. You can adjust the portion size directly on this page.

What ingredients do I need for Bloomin Onion Sauce?

You need 12 ingredients. The key ingredients include: ½ cup mayonnaise, ½ cup sour cream, 4 tablespoons ketchup, 2 tablespoons prepared horseradish, and more.

Is Bloomin Onion Sauce suitable as general?

Yes, Bloomin Onion Sauce falls under the General category and is a great choice for this type of meal.

How do I store leftover Bloomin Onion Sauce?

Store leftovers in an airtight container in the refrigerator for up to 3–4 days. Reheat gently before serving.

Bloomin Onion Sauce Recipe

Name: Bloomin Onion Sauce
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: ½ cup mayonnaise; ½ cup sour cream; 4 tablespoons ketchup; 2 tablespoons prepared horseradish; ¼ teaspoon lemon juice; ½ teaspoon paprika; ½ teaspoon salt; ¼ teaspoon dill weed; ¼ teaspoon basil; 1 dash garlic powder; 1 dash ground black pepper; 1 dash ground cayenne pepper (2 if you like it spicy!)

Try this homemade Bloomin Onion Sauce recipe the whole family will love. Made with mayonnaise, sour cream, ketchup and horseradish. Easy step-by-step in…

This Bloomin Onion Sauce relies on simple, everyday ingredients such as mayonnaise, sour cream, ketchup and prepared horseradish. It comes together quickly and makes 4 servings, at about 332 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.

It's versatile enough for an easy weeknight dinner yet satisfying enough for guests at the weekend. Serve it with your favorite sides, and keep any leftovers for a quick meal the next day.

Updated Jun 30, 2026

Serves 4 General

Tips for the best results

Read through all the steps once before you start and measure out your ingredients first — it makes everything go more smoothly.
Taste as you go and adjust the seasoning before serving.
Avoid overcrowding the pan — cook in batches if needed for the best texture.
Let the dish rest for a few minutes before serving so the flavors settle.
Store leftovers in an airtight container in the fridge and enjoy within a few days.

Variations & substitutions

Coconut cream is a reliable plant-based alternative to dairy cream.

No specific allergen information. Please check the ingredient list for possible allergens.

My Personal Notes

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Bloomin Onion Sauce

Tips for the best results

Variations & substitutions

My Personal Notes

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Frequently Asked Questions