Butterburgers are a type of hamburger that is known for its rich flavor and juicy texture. The key feature of a butterburger is the addition of butter, which is typically spread on the bun or mixed into the beef patty before cooking. This technique enhances the overall taste and moisture of the burger, making it a popular choice among burger enthusiasts. The concept of butterburgers is often associated with Culver's, a fast-food chain that popularized this style. At Culver's, the burgers are made with fresh, never frozen beef and are cooked to order, ensuring a delicious and satisfying meal for customers.