Yes, you can overcook chicken in a slow cooker. While slow cookers are great for tenderizing tough cuts of meat and infusing flavors, they can also cause chicken to become dry and stringy if left to cook for too long. Overcooking chicken can result in a loss of moisture and texture, making the meat less appealing to eat.
Chicken, especially boneless, skinless chicken breasts or tenderloins, can cook relatively quickly in a slow cooker, especially when using high heat. If left in the slow cooker for too long, the chicken can go from tender and juicy to dry and rubbery.
To avoid overcooking chicken in a slow cooker, it's essential to monitor the cooking time and use a meat thermometer to check the internal temperature. Boneless, skinless chicken breasts or tenderloins generally cook within 2 to 3 hours on high heat or 4 to 6 hours on low heat in a slow cooker. The internal temperature of the chicken should reach 165°F (74°C) to be considered safe to eat.
If you're using bone-in chicken pieces or a whole chicken in the slow cooker, they may take a bit longer to cook thoroughly. However, the same principle applies—monitor the cooking time and internal temperature to prevent overcooking.
It's a good idea to follow a trusted recipe and recommended cooking times for your specific type and quantity of chicken to achieve the best results and avoid overcooking.