Cleaning a cast iron skillet without damaging its seasoning layer is essential to maintain its non-stick properties and prolong its lifespan. Contrary to popular belief, using soap to clean a cast iron skillet is generally safe and won't harm the seasoning as long as you follow a few guidelines:
Clean while warm: After cooking, it's best to clean the cast iron skillet while it's still warm. Allow it to cool slightly, but not completely, as this makes it easier to remove food particles.
Use hot water: Rinse the skillet under hot running water, using a sponge or a soft brush to remove any food residues. Avoid using a metal scouring pad or any harsh abrasive materials that could damage the seasoning.
Mild soap: If the skillet has stubborn or stuck-on food, it's okay to use a small amount of mild dish soap. Contrary to the old myth, modern dish soaps are generally mild enough not to harm the seasoning. However, avoid using excessive amounts of soap or harsh detergents.
Avoid soaking: Do not soak the cast iron skillet in water for an extended period, as this can lead to rusting. Also, do not put it in the dishwasher, as the high heat and harsh detergents can strip away the seasoning.
Rinse and dry thoroughly: After cleaning, rinse off the soap thoroughly and dry the skillet immediately. Use a paper towel or a clean cloth to dry it completely, then place it on the stovetop over low heat for a minute or two to ensure it's fully dry.
Apply a thin layer of oil: Once the skillet is dry, apply a thin layer of cooking oil or melted shortening to the cooking surface. This step helps maintain the seasoning and prevents rusting.
By following these cleaning guidelines, you can keep your cast iron skillet in great condition while preserving its non-stick surface. The key is to use gentle cleaning methods and not be afraid to use mild soap when necessary. This approach will help you enjoy your cast iron cookware for many years to come.