1 lb. shell macaroni, cooked
1/2 to 1 lb. Swiss cheese, cubed
1 red onion, diced
2 or 3 tomatoes, diced
8 to 16 oz. Viva Italian salad dressing
Grated cheese to completely cover top of mixture

Combine cooked macaroni, Swiss cheese, onion, and tomato; mix well. Then stir in dressing, to your personal preference.