1/2 chopped onion
1 lb. ground beef
1 c. cooked macaroni
1 c. chopped celery
8 oz. can tomato sauce
1/2 c. grated cheese
Salt and pepper to taste

Cook onion until golden in skillet. Crumble and brown ground beef. Combine macaroni, celery, tomato sauce, cheese, salt, pepper, onion and hamburger in casserole. Bake, uncovered at 350 degrees for 25 minutes.