If the chicken pieces remain hard even after pressure cooking for a long time, there are several potential reasons for this issue:
Quality of Chicken: The hardness of the chicken can be influenced by the quality of the meat itself. Older or tougher cuts of chicken might not become as tender as desired, regardless of the cooking method used.
Incorrect Cooking Time: While pressure cooking is generally faster than traditional cooking methods, it doesn't mean that you can cook the chicken indefinitely. Overcooking chicken can cause it to become dry and tough. Make sure to follow the recommended pressure cooking time for the specific cut and size of chicken pieces you are using.
Inadequate Pressure: If the pressure cooker is not reaching the required pressure or if there is a leak, the chicken may not cook properly. Ensure that the pressure cooker's seal and valves are in good condition and working correctly.
Insufficient Liquid: Not having enough liquid in the pressure cooker can prevent the chicken from cooking evenly and becoming tender. Always follow the recommended liquid requirements for your pressure cooker.
Large Chicken Pieces: If the chicken pieces are too large, it may take longer for the heat and pressure to penetrate the meat and cook it thoroughly. Consider cutting the chicken into smaller, more uniform pieces for more even cooking.
Frozen Chicken: If you are pressure cooking frozen chicken, it can take longer to cook properly. Thaw the chicken completely before pressure cooking for more consistent results.
Natural Release Time: After pressure cooking, the chicken should be allowed to release pressure naturally for a few minutes before using the quick release method. This natural release time helps the chicken retain its juices and tenderness.
To improve the tenderness of pressure-cooked chicken, ensure that you are using good quality meat, following the correct cooking times and liquid amounts, and allowing the pressure to release naturally. Additionally, using the appropriate cooking method for the specific recipe can also make a difference in the final texture of the chicken.