Using a sponge to clean a cast iron skillet is generally not recommended. Cast iron cookware requires special care to maintain its seasoning and prevent rusting. Here are some guidelines for cleaning a cast iron skillet:
Allow the skillet to cool: After cooking, let the cast iron skillet cool down before attempting to clean it.
Avoid using soap: Soap can strip away the seasoning of a cast iron skillet, which is a natural non-stick coating that develops over time. It's best to avoid using soap unless absolutely necessary.
Use a stiff brush or scraper: Use a stiff brush or scraper to remove any food residue or stuck-on bits from the skillet. You can also use a nylon brush or a non-metallic scrubber pad.
Rinse with hot water: Rinse the skillet thoroughly with hot water to remove any remaining debris.
Dry it completely: After rinsing, ensure the skillet is completely dry. Moisture can cause cast iron to rust, so it's essential to dry it thoroughly.
Apply a thin layer of oil: To maintain the seasoning and prevent rust, it's recommended to apply a thin layer of oil to the skillet after each use. You can use a high-smoke-point oil like vegetable oil or flaxseed oil. Rub the oil all over the skillet, including the inside, outside, and the handle.
By following these steps, you can keep your cast iron skillet clean and well-maintained without damaging its seasoning.