2 c. diced zucchini squash
1/2 c. diced onion
1/2 tsp. crushed basil leaves
2 tbsp. butter
1 can Campbell's Cheddar cheese soup
1/2 tsp. prepared mustard
2 c. cooked elbow macaroni
2 c. shredded sharp Cheddar cheese
1 (16 oz.) can tomatoes, chopped and drained
1 lb. hamburger, browned

In skillet, cook zucchini and onion with basil in butter until tender. Add remaining ingredients. Heat until cheese melts, stirring occasionally.