Cook spaghetti and drain. Mix with milk and eggs. Pour into a greased 9 x 13 inch dish. Pour pizza/spaghetti sauce over spaghetti mixture. Sprinkle with Mozzarella cheese and ground beef. Top with Parmesan cheese. Bake at 350 degrees for 30 minutes. You can use two small pans and make two. Cook one now and freeze one for later. Yield: 10 to 12 servings