A cast iron skillet that is seasoned, is naturally nonstick. No oil or sprays are needed when cooking in one. But you can do more to ensure your food releases easily when cooking. The key to making chicken (or steak, pork, etc) that does NOT stick to your cast iron pan, is two important tips! #1 The very first step in the cooking process of this recipe is important. #2 Add meat that has sat at room temperature for about 30 minutes before adding it to the pan. Do not chicken that is ice cold straight from the refrigerator.