1 1/2 lbs. ground beef
1 med. onion
1 (28 oz.) can of tomatoes
1 c. water
1 (8 oz.) pkg. elbow macaroni
2 c. grated cheddar cheese
1 can corn (drain)
1 tsp. salt
1/4 tsp. pepper

Brown beef and onion in skillet; drain. Stir in tomatoes with liquid and remaining ingredients except cheese. Heat to boiling, reduce to low, cover and simmer until macaroni is tender. Add cheese before serving.