Few appetizers are as iconic as the Outback Steakhouse Bloomin’ Onion. Golden, crispy, and seasoned to perfection, this impressive dish is a showstopper whether you’re serving it at a family gathering, game-day party, or as a fun starter for dinner at home. The combination of a tender onion center wrapped in a crunchy, flavorful coating is what makes it absolutely irresistible. Paired with a creamy dipping sauce, it’s a bite of pure indulgence that keeps everyone reaching for more.
In this guide, you’ll learn exactly how to make a Bloomin’ Onion at home—with step-by-step instructions, pro tips for success, and serving ideas to turn this appetizer into a restaurant-quality experience.
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Ingredients for the Perfect Bloomin’ Onion
To recreate this famous dish, you’ll need a few simple pantry staples plus one large, fresh onion. Here’s the breakdown:
1 large sweet onion (such as Vidalia) – The star of the show. Sweet onions are ideal because they have a mild flavor and tender layers that fry beautifully.
1 cup all-purpose flour – Forms the base of the coating, creating that irresistible crunch.
1 tablespoon cornstarch – Helps the flour stick better and adds extra crispiness.
2 teaspoons paprika – Adds warm color and a subtle smoky flavor.
1 teaspoon garlic powder – Infuses savory depth into the coating.
1 teaspoon onion powder – Reinforces the onion flavor, making every bite bolder.
1 teaspoon salt + ½ teaspoon black pepper – Essential for seasoning and balance.
½ teaspoon cayenne pepper – Provides a gentle heat (adjust to taste).
2 large eggs – Whisked with milk, this egg wash ensures the flour mixture clings to the onion.
1 cup whole milk – Adds richness and helps the batter bind.
Vegetable oil (for frying) – A neutral oil like canola or peanut oil works best for achieving a golden, crispy crust.
For the Copycat Dipping Sauce:
½ cup mayonnaise – Creamy base.
2 tablespoons ketchup – Adds tangy sweetness.
1 tablespoon horseradish – Brings a little kick.
½ teaspoon paprika – Enhances flavor and color.
½ teaspoon garlic powder – Adds savoriness.
Salt and pepper, to taste – Rounds out the flavors.
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