1 lb. ground beef
1 medium onion, chopped
1 jar pizza sauce
1 (8 oz.) spiral pasta, cooked and drained
2 c. mozzarella cheese
4 oz. pepperoni

Brown beef and cook onion until done and drain. Stir in pizza sauce and pasta. Transfer to 13 x 9 inch pan. Sprinkle with cheese and place pepperoni on top.

Bake at 350°F for 25 to 30 minutes.