ium Caseinate, Disodium Inosinate, and Disodium Guanylate. Fettuccine Pasta: Durum Wheat Semolina, Durum Wheat Flour, Niacin, Ferrous Sulfate, Thiamine Mononitrate, Riboflavin, Folic Acid. Grated Cheese Topping: Parmesan and Romano Cheese Made from Cow's Milk (Pasteurized Part-Skim Milk, Cultures, Salt, Enzymes), Powdered Cellulose (to Prevent Caking), Potassium Sorbate (A Preservative).