To clean your cast iron skillet effectively, rinse it under warm water while it is still slightly warm. Avoid using extremely hot water to prevent thermal shock. Use a soft brush, a sponge, or a stiff nylon brush to gently scrub away any food residue. You should avoid using harsh detergents, sandpaper, or abrasive grinders, as these can damage the protective seasoning layer.
One of the most important steps is ensuring the skillet is completely dry. After washing, place the pan on the stovetop over low heat for a few minutes to evaporate any remaining moisture. Once dry, apply a very thin layer of cooking oil to the entire surface before storing it. This helps maintain the natural nonstick properties and prevents rust.
Never soak your cast iron in water or place it in a dishwasher. Soaking can lead to rust, and dishwashers will strip the seasoning away. By following these gentle cleaning and drying practices, your cast iron skillet will remain durable and actually improve with age.