Shake Shack Cheonan is a burger restaurant inside a department store near Cheonan-Asan Station. The ShackBurger is a cheeseburger with a beef patty, tomato, lettuce, and ShackSauce, served with a milkshake and fries. Takeout takes about 20 minutes, and parking time is registered only if you tell the counter. Early after opening, the wait reached two hours, and even after 1 p.m. it was 30 minutes.