Whataburger is a popular fast-food chain in the southern United States. Their Whataburger is a classic cheeseburger that features a juicy beef patty, American cheese, lettuce, tomato, pickles, and their special sauce. To make this burger at home, start by grilling or frying a beef patty until it is cooked to your liking. Then, toast a bun and spread the special sauce on each side. Add the cooked patty, cheese, lettuce, tomato, and pickles, and enjoy!