Spaghetti Casserole - cooking recipe

Ingredients

1 1/2 lb. ground beef
1 large onion, chopped
1 (16 oz.) can tomatoes
1 can cream of mushroom soup
1 tsp. salt
1/8 tsp. pepper
2 (5 oz.) cans tomato sauce
1 (8 oz.) pkg. thin spaghetti
1/2 lb. grated sharp cheese

Preparation

Sauce:
Brown ground beef; drain.
Add onion, tomatoes, tomato sauce, soup, salt and pepper.
Cook slowly for 30 minutes.