Which cheese do you add to carbonara ?

Carbonara (Italian: [karboˈnaːra]) is an Italian pasta dish from Rome made with egg, hard cheese, guanciale (or pancetta), and pepper.he recipe is not fixed to a specific type of hard cheese or pasta. The cheese is usually Pecorino Romano. Spaghetti is the usual pasta, but fettuccine, rigatoni, linguine, or bucatini is also used. Either guanciale or pancetta can be used. Another common substitute outside Italy is lardons of smoked bacon.