17 American Behaviors Considered Rude in Other Countries

17.In Italy, don't ask for parmesan for your pizza -- or any other time it's not explicitly offered. Putting parmigiano on pizza is seen as a sin, like putting Jell-O on a fine chocolate mousse. And many pasta dishes in Italy aren't meant for parmesan: In Rome, for example, the traditional cheese is pecorino, and that's what goes on many classic pastas like bucatini all'amatriciana, not parmesan. A rule of thumb: If they don't offer it to you, don't ask for it.