Cooking in cast iron has been a popular practice for centuries but using cast iron on the grill has been limited - until now! with Outset cast iron Scallop serving tray you can enjoy the taste of a traditional cast iron pan without a bulky handle keeping the grill lid from closing completely. Cook fish, chicken, sides & more on the grill - without worry of them falling through grill grates! Even though the pan comes pre-seasoned, applying a little vegetable oil before use helps prevent food from sticking.