It may not be a new or particularly groundbreaking invention, but cheeseburger pizza deserves credit for combining two classic fast foods and totally conquering the world. It features on menus everywhere, from pizza parlours to Domino's, and has even found its way onto supermarket shelves in the UK. The Domino's version includes all the cheeseburger essentials – cheese, beef, sliced gherkins, onions and burger sauce.