However, you can adjust these ingredients as needed, such as leaving out the horseradish or using cayenne instead of black pepper. Can You Buy the Bloomin' Onion Dipping Sauce? Outback Steakhouse ...

Originating from Outback Steakhouse’s beloved menu ... whip up the bloom sauce by mixing mayonnaise, ketchup, horseradish sauce, paprika, garlic powder, and onion powder in a small bowl.