If your seasoned cast iron is not non-stick, there could be several reasons for this issue. Here are some common factors that might affect the non-stick properties of your cast iron pan:
Insufficient seasoning: The seasoning on a cast iron pan is crucial for creating a non-stick surface. If your initial seasoning was not done correctly or you haven't added enough layers of seasoning, the pan may not be fully non-stick. Consider re-seasoning the pan by applying multiple thin layers of oil and heating it at high temperatures to build up a more robust and smooth seasoning.
High heat: While cast iron is excellent at retaining and distributing heat evenly, using excessively high heat can cause the seasoning to break down and lose its non-stick properties. Avoid using maximum heat on your cast iron pan and opt for medium or medium-high heat settings.
Acidic or sticky foods: Cooking highly acidic or sticky foods, such as tomatoes, citrus fruits, or sugary sauces, in a cast iron pan can deteriorate the seasoning over time. Acidic ingredients can erode the seasoning, while sticky foods can leave residue and impact the non-stick surface. If you cook such foods, ensure you clean the pan thoroughly and re-season if necessary.
Improper cleaning: Using harsh cleaning methods, such as scrubbing with steel wool, soaking the pan in water for extended periods, or using soap, can damage the seasoning. Stick to gentle cleaning techniques using hot water and a stiff brush, and avoid using soap, as it can strip away the seasoning.
Uneven seasoning: Uneven seasoning can lead to certain areas of the pan being less non-stick than others. When seasoning, make sure to coat the entire surface of the pan evenly to create a consistent non-stick surface.
Pan damage: Scratches, pits, or other damage to the cooking surface can compromise the non-stick properties. Avoid using metal utensils that could scratch the surface. If you notice any significant damage, consider smoothing out the surface through sanding or seek professional advice.
New or restored pan: If you have a new cast iron pan or recently restored one, it might require several cooking and seasoning cycles to achieve optimal non-stick performance.
To improve the non-stick properties of your seasoned cast iron pan, start with re-seasoning it properly, avoid high heat, and be gentle with cleaning. With the right care and maintenance, your cast iron pan should regain its non-stick capabilities over time.