Spaghetti topper is a term used to describe the various ingredients that can be added to spaghetti to enhance its flavor. The crossword solutions for the term are PARMESAN (8 letters), SAUCE (5 letters), MEATBALL (8 letters), Prego (5 letters), and Redsauce (8 letters). PARMESAN is a type of cheese that is usually grated over spaghetti dishes, while SAUCE is a liquid condiment that can be added to spaghetti. MEATBALL is a type of ground meat that is often served with spaghetti, and Prego is a brand of Italian-style tomato SAUCE. Redsauce is another term for tomato SAUCE, which is a popular topping for spaghetti.