pasta • butter • half-and-half (whole milk will do, but will be less creamy) • ground black pepper • salt • onion powder • ground mustard • MSG (Accent) • sodium citrate • turmeric or paprika (optional, for color) • mild cheddar cheese (¼ lb or about 1 cups shredded) • American cheese, shredded or diced (about 3 slices) •