The frequency of cleaning cast iron skillets and other cookware that has been seasoned, oiled, or varnished with some kind of oil depends on how frequently you use them and the type of food you cook. Here are some general guidelines for cleaning and maintaining such cookware:
1. After Each Use: It's essential to clean your seasoned cookware after each use to prevent the buildup of food residue and maintain its seasoning. Use a soft brush or sponge, hot water, and a small amount of mild soap (if needed) to gently scrub away any food particles. Avoid using harsh abrasive pads or metal brushes that can damage the seasoning.
2. Dry Immediately: After washing, dry the cookware thoroughly with a clean towel or by placing it over low heat on the stove for a few minutes. Removing moisture prevents rust from forming on the cast iron or affecting the seasoning.
3. Lightly Oil: After cleaning and drying, it's a good practice to apply a thin layer of cooking oil to the cast iron surface to help maintain the seasoning and protect the cookware from moisture. You can do this by rubbing a small amount of vegetable oil, canola oil, or any oil suitable for high-heat cooking onto the surface with a paper towel.
4. Regular Maintenance: Even if you don't use the seasoned cookware frequently, it's still essential to check on it periodically and, if needed, give it a light cleaning and oiling. Seasoning can wear down over time, especially if the cookware is exposed to air or moisture for extended periods.
5. Avoid Soaking: Avoid soaking your cast iron or oiled cookware in water for extended periods. This can damage the seasoning and lead to rust. If you encounter stubborn food residue, try adding some hot water to the pan and gently scraping it off with a wooden or nylon scraper.
6. Re-Seasoning: If the seasoning on your cast iron cookware starts to deteriorate or becomes uneven, you may need to re-season it. This involves applying a layer of oil to the surface and heating it in the oven to create a new polymerized layer. Re-seasoning helps maintain a non-stick surface and protects the cookware.
Overall, the goal is to strike a balance between maintaining the seasoned layer and avoiding excessive oil buildup. Clean your cookware after each use, dry it promptly, and apply oil as needed to preserve its seasoning and extend its lifespan. By following these simple steps, you can enjoy the benefits of well-maintained cast iron and oiled cookware for many years to come.