Crockpot Hawaiian BBQ Chicken: 4-6 frozen boneless chicken breasts, 1 bottle of BBQ sauce, 1 20oz can of pineapple chunks, drained. Directions: Place the frozen chicken breasts in the crockpot. Add entire bottle of BBQ sauce, covering the chicken. Add drained can of pineapple chunks on top. Cover and cook 2-3 hours on HIGH or 4-6 hours on LOW.