Mix together pineapple juice, dressing mix and the seasoned salt. Marinate chicken pieces for 6-24 hours.
Drain the sauce into a saucepan. Place chicken pieces in a baking pan and bake skin side down for 45 minutes in a 350° oven.
Mix together corn starch and water. Stir into marinade sauce and bring to a boil stirring often.
When the sauce thickens, turn the chicken pieces skin side up and spoon some of the marinated sauce over the chicken. Bake for an additional 20 minutes or until done.