boneless chicken pieces how long to bake
After 30 minutes at 350, cut into the thickest one. If the juices are clear, it is completely cooked. 410 degrees f is a good core temperature for skinless boneless chicken. If you baste it and cook in an oven or a crock-pot agood time frame would definitely be 3 to 4 hrs.
1 Preheat the broiler, then insert the pan so the chicken breasts are 4 to 5 inches from the heat.  Broil 4- to 5-ounce boneless, skinless chicken breasts 12 to 15 minutes, turning over about halfway through the cooking time and brushing with sauce or seasoning if desired.