Pizza Casserole - cooking recipe

Ingredients

1 lb. ground beef
1 medium onion, chopped
1/2 tsp. salt
1 qt. spaghetti sauce
4 oz. elbow macaroni, cooked and drained
8 oz. shredded Mozzarella cheese
4 oz. pepperoni

Preparation

Brown beef and onion; drain fat.
Add all remaining ingredients.
Spoon into a greased 2-quart casserole dish.
Bake at 350\u00b0 for 40 minutes.