1 lb. ground beef
1 med. onion, chopped
1 (7 oz.) pkg. macaroni
1 tsp. salt
1/4 tsp. pepper
1 can tomato sauce
1/2 lb. shredded Cheddar cheese
1 tsp. chili powder

Brown ground beef in 1 tablespoon fat in large heavy pan. Add onion; cook until transparent. Cook macaroni according to package directions; drain. Add to ground beef mixture. Stir in remaining ingredients. Simmer, covered, until cheese is melted.