If you're thinking of serving Alfredo sauce with pasta other than Fettuccine, then I'm so with ya! When it comes to pasta, you can use long pastas like Bucatini, Pappardelle, Tagliatelle, etc. if desired. However, I would recommend tossing with tongs to ensure that pasta is fully manageable and fully coated. Otherwise, other pastas such as Penne, Rigatoni, Paccheri, Orecchiette, etc. are perfect.