1 (12 oz.) pkg. elbow macaroni
1/4 c. butter
2 med. onions, sliced
1 (28 oz.) can whole tomatoes, halves
1 1/2 tsp. Worcestershire sauce
1 tsp. salt
1/4 tsp. pepper
1 1/2 c. process American cheese, shredded

Cook macaroni in 3 quart pan according to package directions; drain. Melt butter in skillet over medium heat. Saute onions in butter 3 to 5 minutes. Add tomatoes and seasonings and simmer 5 minutes. Add macaroni and cheese and stir until cheese is melted. Cover and simmer 30 minutes. 6 to 8 servings.