1 lb. box linguini noodles
2 tomatoes, diced
1 onion, diced
1/2 - 1 jar McCormick's Salad Supreme seasoning
1 (16 oz.) bottle Viva Italian dressing

Cook linguini until tender and drain. In a large bowl, combine linguini and the other ingredients. Mix well. Refrigerate and marinate for 24 hours. Mix occasionally.