Caring for your cast iron grill pan with a wooden handle is relatively simplecast iron grill pan with wooden handle. After each use, simply wipe the pan clean with a gentle sponge or cloth, avoiding the use of harsh chemicals or abrasive cleaners that can damage the seasoning. To restore the pan's original non-stick surface, apply a thin layer of oil and place it in a preheated oven at 350°F (180°C) for about an hour. This process, known as seasoning, will create a protective layer on the surface of the pan, making it easier to cook with and less likely to stick.