Which ingredient is essential for the Chili Cheese Burrito?

The essential ingredient for the Chili Cheese Burrito is chili. This dish is built around the flavorful chili, which provides the primary taste and texture that defines the burrito. The chili is typically made with seasoned beef and includes various spices and ingredients that create a rich and hearty filling.

While guacamole, sour cream, and black beans may complement the burrito or be found in other menu items, they do not define this specific dish. The chili serves as the main filling, supported by cheese and a flour tortilla, making it a standout option on the Taco Bell menu.