Alfredo sauce is already one of the creamiest pasta sauces around, but if you want to make it even tastier, consider adding cheese. u003cbr/u003eu003cbr/u003eSuitable additions to Alfredo include up to a half-cup of any soft melty cheese such as cheddar, mozzarella, or cream cheese for maximum flavor.u003cbr/u003eu003cbr/u003eFor an added Italian twist, Parmesan can be used instead; just make sure not to add more than a quarter cup.