A cheeseburger is a hamburger, accompanied with cheese. The cheese is usually sliced, then added a short time before the hamburger finishes cooking to allow the cheese to melt. In America the cheese that makes up a cheeseburger is usually American cheese, but there are many other possible variations. Mozzarella, blue cheese and cheddar are also popular choices. The cheese in a cheeseburger substantially changes its nutritional value. For example, in comparison to their standard hamburger, with… (More on Cheeseburger)