Course: Main Course
Cuisine: Central Italy, Italian, Rome & Lazio
Keyword: alla carbonara, carbonara, Italian recipe, Roman cuisine, spaghetti
As mentioned in the post, the majority of chefs agree that "true" carbonara has guanciale and not bacon or pancetta, although both make fine substitutes as long as they are quite fatty and cubed.
Spaghetti is the usual pasta, although linguine, fettucine, bucatini and rigatoni can also be used.