This Italian Sausage Tortellini Casserole is a comforting and hearty dish featuring tender cheese tortellini combined with flavorful ground Italian sausage, seasoned with classic Italian herbs and spices, and baked with gooey mozzarella and parmesan cheeses. Perfect for a family dinner, this easy-to-make casserole blends savory sausage and rich pasta sauce for a satisfying meal in just 45 minutes.