This is the Tastiest Outback Bloomin’ Onion Sauce copycat recipe you’ll ever try! It’s rich, creamy, mildly spicy, and so addictive, just like how you remember it, maybe even better. Serve it with a bloomin onion, fries, or even chicken tenders!
Whenever we dine in at an Outback Steakhouse, it’s imperative that we get the Bloomin’ Onion every single time. Although the deep-fried golden brown onion is the star, there’s just something addictive about the Blooming Onion sauce too. The latter just always gets me as excited as the actual appetizer itself.
My copycat version was born out of pure obsession. During one of our Outback dinners, I thought, “I can definitely make this at home.”. So, after countless tries (and taste tests!), I have finally nailed it. And now, I want to share this with you, so you can also enjoy that familiar creamy, tangy, and bold-flavored dip in the comfort of your own home.
An Easy Dip Ready in Minutes
What I love the most about this recipe is how easy it is to make. We’re talking less than 10 minutes of hands-on time. You don’t need any special equipment to prepare this, and the best part is that you probably have the ingredients in your pantry already.
This sauce goes with a Bloomin’ Onion fresh off the deep fryer and also pairs well with other dishes. Think French fries or sweet potato fries, sandwiches, and even grilled chicken. It’s that much of a flavor bomb of a sauce!
This dip is my latest Outback Steakhouse copycat recipe. For salads, I have a copycat Blue Cheese Vinaigrette you might want to try.
Ingredients You'll Need for this Outback Copycat Bloomin' Onion Sauce Recipe
Scroll down to the recipe card at the bottom of the page for the detailed ingredient measurements.
- Mayonnaise: is that creamy base that will hold everything together. Make sure you use a good-quality mayonnaise for the best results!
- Sour cream: adds that distinct smoothness and tang that balances the mayonnaise’s richness.
- Ketchup: brings a touch of sweetness and acidity that rounds up the flavors.
- Prepared Horseradish: gives that signature kick to this recipe! You can adjust the amount according to how spicy you want your dip.
- Paprika: is smoky and warm, and it gives this tasty dip that classic reddish hue.
- Garlic and Onion Powder: are a must to achieve that deep, savory flavor.
- Cayenne Pepper: gives just the right amount of heat. Tone it down (or up!) however you want to!
- Kosher Salt and Black Pepper: is the duo that enhances the overall flavor of this Bloomin’ Onion sauce.
How to Make The Tastiest Outback Copycat Bloomin' Onion Sauce
Make sure to scroll down to the recipe card at the end of this post for the full recipe and step-by-step instructions to make this Outback Copycat Bloomin’ Onion Sauce!
- Whisk the base ingredients: In a medium bowl, combine mayonnaise, sour cream, ketchup and the fresh horseradish. Whisk until everything until the mixture is smooth and creamy.
- Add the seasonings: Next, take your dry ingredients such as paprika, garlic powder, onion powder, cayenne, salt and black pepper, and dried oregano. Stir everything together until well combined.
- Chill: Cover the bowl with plastic wrap and refrigerate for at least 30 minutes. Let those flavors meld and deepen. Trust me, your taste buds will thank you for it!
- Serve and enjoy: Once your sauce has chilled, dip away! Not only does this work as an onion dipping sauce, you can also enjoy this with fries, chicken tenders, and even tater tots!
Tips and Tricks to Make This Sauce Even Better
- The chill time matters. Don’t skip the refrigeration step. This is the best way to effectively give the flavors time to come together for that signature taste.
- Adjust the heat according to your preference. Love your sauce spicy? Add a little more cayenne or even a dash of hot sauce. Not too keen on the spice? Lessen the amount of horseradish and cayenne until you reach just the right amount for you.
- Double the amount. This tasty sauce is so good, it disappears fast. Make a double batch and keep it in the fridge, it lasts up to 5 days!
- Use good mayo. Don’t skimp on the flavor. The flavors will shine through with a rich and creamy mayonnaise.
Why You Need to Make The Tastiest Outback Copycat Bloomin' Onion Sauce
Once you’ve had The Tastiest Outback Copycat Bloomin’ Onion Sauce, you’ll wonder why you didn’t make it sooner. It takes minutes to make, with pantry ingredients that are accessible, and the result is so versatile. This will be your favorite dipping sauce for any occasion, whether you’re throwing a party, enjoying a family movie night, or just want to indulge. The best part is you don’t have to drive to your local Outback Steakhouse to enjoy this with those mouth-watering onion petals from their Bloomin’ Onion (good news, you can make this at home too!).
Frequently Asked Questions (FAQ's)
Absolutely! In fact, it tastes way better after chilling overnight. So if you’re entertaining, make this sauce the night before!
If stored properly in an airtight container like a mason jar, this Outback Copycat Bloomin’ Onion Sauce will stay fresh for up to 5 days.
Yes, you can. Simply substitute the regular sour cream with a dairy-free alternative. Just make sure to check the consistency and adjust the amount used if needed.
You can use a bit of Dijon mustard or wasabi. The flavor will be a little different, though. I don’t recommend using horseradish sauce because there’s already a creamy base with the mayonnaise.
You can, but those might slightly change the texture and richness. It’s still delicious though!
I don’t recommend freezing this. Mayo-based sauce separates when thawed after being frozen. This is best enjoyed fresh.
The Tastiest Outback Copycat Bloomin' Onion Sauce
Outback Bloomin' Onion Sauce Copycat Recipe
Ingredients
- ½ cup mayonnaise
- 1/4 cup sourcream
- 2 & 1/2 tablespoons ketchup
- 2 tablespoons prepared horse radish
- 3/4 teaspoon paprika
- 3/4 teaspoon garlic powder
- 1/2 teaspoon onion powder
- 1/4 teaspoon cayenne pepper adjust for spice level
- 1/2 teaspoon kosher salt adjust to taste
- 1/2 teaspoon black pepper
- 1/4 teaspoon dried oregano
Instructions
- In a bowl, whisk together mayo, ketchup, sour cream and horseradish until smooth.½ cup mayonnaise, 2 & 1/2 tablespoons ketchup, 2 tablespoons prepared horse radish, 1/4 cup sourcream
- Add paprika, garlic powder, onion powder, cayenne, salt, dried oregano, and black pepper, stir to combine.3/4 teaspoon paprika, 3/4 teaspoon garlic powder, 1/2 teaspoon onion powder, 1/4 teaspoon cayenne pepper, 1/2 teaspoon kosher salt, 1/2 teaspoon black pepper, 1/4 teaspoon dried oregano
- Cover and refrigerate for at least 30 minutes to let the flavors meld. Serve with your Bloomin' Onion and enjoy!
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