Name: Blooming Onion Sauce (Outback Copycat) Recipe
Prep time: 5 min
Total time: 35 min
Cuisine: American
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

Jump to Recipe·Print Recipe· 3.8 from 32 reviews

If you’re a fan of that irresistible tangy dip served alongside the famous blooming onion appetizer, you’re in for a treat with this Blooming Onion Sauce (Outback Copycat) Recipe. It captures that perfect balance of creamy, zesty, and slightly spicy flavors that make every bite unforgettable. This sauce elevates a simple fried onion to a whole new level, and once you master it, you’ll find yourself wanting to dip everything from fries to veggies into it. The beauty of this recipe is how approachable it is, yet it delivers a burst of bold, comforting flavor reminiscent of your favorite Outback steakhouse experience right at home.

Blooming Onion Sauce (Outback Copycat) Recipe - Recipe Image

Ingredients You’ll Need

The magic of this Blooming Onion Sauce (Outback Copycat) Recipe lies in its humble yet flavorful ingredients. Each component plays an essential role, combining creaminess, spice, and tang to create that classic sauce you crave. From the richness of mayonnaise and sour cream to the kick from horseradish and cayenne, every bite is thoughtfully balanced.

1/2 cup mayonnaise: Provides a rich and creamy base that holds all the flavors together seamlessly.
1/2 cup sour cream: Adds a tangy freshness and smooth texture to the sauce.
3 tablespoons ketchup: Brings a hint of sweetness and subtle tomato tang that brightens the sauce.
2 tablespoons prepared horseradish: Gives that signature spicy kick that makes this sauce stand out.
1 teaspoon paprika: Adds a warm, smoky note and vibrant color.
1/2 teaspoon kosher salt: Enhances all the other flavors perfectly.
1 teaspoon granulated garlic: Delivers savory depth with a mild bite.
1/2 teaspoon dried oregano: Offers a subtle herbaceous undertone that rounds out the flavor profile.
1/2 teaspoon black pepper: Adds a gentle heat and complexity.
1/4 teaspoon cayenne pepper: Brings just the right amount of spice to keep things exciting.

How to Make Blooming Onion Sauce (Outback Copycat) Recipe

Step 1: Gather and Measure Your Ingredients

Start by collecting all your ingredients to ensure a smooth preparation process. Measuring each precisely is key to getting that authentic flavor that makes this sauce so crave-worthy.

Step 2: Combine Ingredients in a Medium Bowl

Place the mayonnaise, sour cream, ketchup, and prepared horseradish into a medium-sized bowl. Sprinkle in the paprika, kosher salt, granulated garlic, dried oregano, black pepper, and cayenne pepper. This mixture is where the magic begins, as all these flavors mingle to recreate that iconic dipping sauce.

Step 3: Mix Until Smooth

Using a whisk or a spoon, mix the ingredients thoroughly until the sauce has a uniform, silky texture. There should be no lumps, and every bite will be packed with flavor.

Step 4: Chill Before Serving

Cover the bowl with plastic wrap or transfer the sauce to an airtight container and refrigerate for at least 30 minutes. This chilling step allows the flavors to meld beautifully, making the sauce even more delicious. Before serving, give it a good stir to refresh the texture.

How to Serve Blooming Onion Sauce (Outback Copycat) Recipe

Garnishes

While the sauce shines on its own, adding a sprinkle of freshly chopped parsley or chives can bring a pop of color and a touch of freshness. A pinch of extra paprika on top can also make the sauce look as inviting as it tastes.

Side Dishes

This Blooming Onion Sauce (Outback Copycat) Recipe pairs wonderfully with crispy fried onions, of course, but don’t stop there! It’s fantastic alongside crispy fries, chicken tenders, veggies like bell peppers or celery sticks, and even as a zesty spread on sandwiches or burgers.

Creative Ways to Present

For an impressive appetizer presentation, serve the sauce in a small bowl nestled in the center of a blooming onion. You can also divide it into individual ramekins for parties or transform it into a dip platter with an assortment of crunchy dippers, making it fun and interactive for your guests.

Make Ahead and Storage

Storing Leftovers

If you happen to have leftovers of this delicious Blooming Onion Sauce (Outback Copycat) Recipe, simply transfer it to an airtight container and refrigerate. It will stay fresh and flavorful for up to one week, ready to add a burst of zest to your next snack or meal.

Freezing

While this sauce is best enjoyed fresh or chilled, you can freeze it if necessary. Keep in mind that freezing may slightly alter the texture due to the dairy components, so thaw it slowly in the fridge and stir well before serving.

Reheating

This sauce is typically served cold or at room temperature, so reheating isn’t required. If you prefer it less cold, just let it sit out for 10–15 minutes before serving to take the chill off without compromising its consistency.

FAQs

Can I make this Blooming Onion Sauce (Outback Copycat) Recipe vegan?

To make a vegan version, substitute mayonnaise and sour cream with plant-based alternatives and ensure the horseradish and ketchup don’t contain animal products. The flavor may vary slightly but it will still be delicious.

How long can I keep the sauce in the fridge?

The sauce will stay fresh in an airtight container for up to one week, allowing you to enjoy it for multiple occasions without any loss of flavor.

Is the horseradish spicy?

Prepared horseradish adds a mild to moderate heat with a sharp, tangy flavor that is essential to mimicking the authentic sauce taste. Adjust the amount to your heat preference.

Can I adjust the spiciness level?

Absolutely! If you want it milder, reduce or omit the cayenne pepper. For a spicier kick, increase the horseradish or cayenne slightly, tasting as you go.

What else can I dip into this sauce?

This versatile Blooming Onion Sauce (Outback Copycat) Recipe is perfect for fries, chicken fingers, raw veggies, or even as a tangy spread on burgers and wraps – basically anything you want to elevate with a creamy, zesty flavor!

Final Thoughts

Whether you’re craving a nostalgic Outback steakhouse experience or simply want a flavorful, creamy sauce to brighten up your snacks, this Blooming Onion Sauce (Outback Copycat) Recipe is an absolute winner. It’s easy to whip up, packed with layers of flavor, and a guaranteed crowd-pleaser that will have everyone reaching for more. So go ahead, give it a try and watch your appetizers vanish in record time!