In a bowl, combine the spinach, egg, ricotta cheese, 2 tablespoons Parmesan cheese, salt, pepper and nutmeg. Place two pieces of ham on each noodle. Spread with 1/3 cup spinach mixture. Roll up and place seam side down in a greased 13-in. x 9-in. baking dish. Top with spaghetti sauce.
Cover and bake at 350° for 40-45 minutes or until heated through. Uncover; sprinkle with remaining Parmesan. Let stand for 15 minutes before cutting. Yield: 4 servings.