Cheese Pasta Dish
["1 onion, chopped", "1 lb. ground beef", "1 pkg. dry spaghetti sauce mix (with mushrooms)", "2 cans tomato sauce", "1 can water", "1 box sour cream", "2 c. Mozzarella cheese, shredded", "1 (12 oz.) pkg. shell macaroni"]
["Brown ground beef and onion; drain.", "Add tomato sauce, water and spaghetti sauce mix; cook 30 minutes.", "Boil macaroni and drain. Mix all together with sour cream.", "Layer mixture with cheese.", "Heat in oven until hot and bubbly at 350\u00b0."]
["onion", "ground beef", "mushrooms", "tomato sauce", "water", "sour cream", "Mozzarella cheese", "shell macaroni"]