What is the signature dipping sauce served with the Bloomin' Onion?

The signature dipping sauce served with the Bloomin' Onion is known as Bloom Sauce. This sauce is specially crafted to complement the unique flavors of the crispy, battered onion. It's a tangy and creamy sauce that enhances the taste of the Bloomin' Onion, making it a standout item on the Outback Steakhouse menu. The partnership of the sauce with the onion creates a delightful combination that is both savory and rich, which is why it has become associated specifically with this appetizer. Its distinctive flavor profile contributes to the overall dining experience, making the Bloomin' Onion a popular choice among patrons.