Steak 'n Shake is a popular American casual dining restaurant chain known for its steakburgers and milkshakes. Founded in 1934 in Illinois, the chain has since expanded to over 500 locations across the United States. Steak 'n Shake is known for its classic diner-style atmosphere and affordable menu options. The restaurant is famous for its hand-dipped milkshakes made with real ice cream and a variety of flavors. In addition to burgers and shakes, Steak 'n Shake also offers a variety of other menu items such as sandwiches, salads, and breakfast options.