1 lb. hamburger
1 pkg. macaroni
1 med. onion, diced
1 tbsp. Worcestershire sauce
1/2 lb. sharp cheese
1 can cream of mushroom soup

Brown meat and onion. Add salt and pepper and Worcestershire sauce. Mix well. Mix soup and 6 ounces diced cheese; add to mix. Add cooked macaroni. Sprinkle with grated cheese (2 ounces). Bake at 350 degrees for 20 to 30 minutes.