Pizza Pasta Casserole

16oz spiral pasta, cooked and drained
2 lb. hamburger
1/2 onion, chopped
2 cans {15 oz.} pizza sauce
1/2 tsp. garlic salt
1/2 tsp. Italian seasoning
2 eggs
2 c.milk
1/2 c. shredded Parmesan cheese
4 c. shredded mozzarella cheese
1 {3 1/2 oz}. sliced pepperoni

Cook the beef and onion, add seasonings. Stir in pizza sauce. In a small bowl combine the eggs, milk and Parmesan cheese. Toss with pasta. Put in a greased 3 qt. baking dish. Top with meat mixture, then mozzarella cheese and pepperoni. Cover and bake at 350 for 20 minutes. Uncover and bake for 20-25 minutes until golden brown. Serves 12.