1 qt. cooked spaghetti
1 1/2 lbs. hamburger
1/4 c. onion
1 can mushroom soup
1 (15 oz.) can tomato sauce
Sharp Cheddar cheese

Brown hamburger and onion. Then drain excess fat. Add soup and sauce and stir into spaghetti. Pour mixture in a baking dish and top with grated Cheddar cheese. Place in oven or microwave until cheese melts. Ready to serve.