Which ingredient is commonly found in the Bloomin' Onion?

The Bloomin' Onion is a signature appetizer at Outback Steakhouse, and its primary ingredient is the onion. This dish consists of a whole onion that is cut to create a blossom effect, allowing it to be deep-fried and served with a special dipping sauce. The onion is seasoned and cooked in a way that enhances its natural flavor and provides a crispy texture on the outside while remaining tender on the inside. This preparation is what makes the Bloomin' Onion distinct and a popular choice among patrons, showcasing the savory and slightly sweet characteristics of the onion itself. Other options like potato, mushroom, and bell pepper do not appear in this specific dish, reinforcing the onion's role as the main ingredient.