Typical grill fare is available at grease trucks, but most popular are the "fat" sandwiches composed of permutations of various foods, such as burgers, French fries (in the sandwich), cheesesteak, mozzarella sticks, chicken fingers, pork rolls, marinara sauce, falafel, gyro meat, bacon, fried eggs, ketchup, mayonnaise, onions, etc. They supposedly originated in the 1970s when a local restaurant served a sandwich called the "Fat Cat" consisting of two cheeseburgers, French fries, lettuce, tomato,...