Hamburger Noodle Casserole

1 pound hamburger meat
1 - 4 ounce package uncooked noodles
1 onion, chopped
1 can tomato soup
1 1/2 can of water (from the soup)
3/4 cup grated cheese

Put uncooked noodles in bottom of two quart casserole dish.

In a bowl mix together the hamburger meat, onion, tomato soup and water. Spoon mixture on top of noodles. Sprinkle cheese on top. Bake at 350 degrees for 45 minutes.