Meanwhile, heat oven to 350°F. In large saucepan, combine milk, Italian seasoning and garlic salt. Bring to a boil. In small bowl, combine broth and cornstarch; blend well. Slowly add cornstarch mixture to hot milk mixture, stirring constantly. Cook over medium heat for 5 minutes or until bubbly and thickened, stirring constantly. Stir in Parmesan cheese.