Season chicken with spices and let marinate overnight.

Preheat oven to 350F and prepare baking tray/roasting pan by lining with foil paper. (Grease lightly if no foil)

Cover with foil and bake for 15-20 minutes (boneless) or 20-30 minutes (bone-in). Ensure that chicken pieces are spread out evenly in pan.

In the meantime, combined BBQ sauce, vinegar, brown sugar and pepper in saucepan over medium heat.

Turn chicken pieces and baste with sauce. Bake covered for another 10 minutes.

Turn chicken and baste again. Cook uncovered for 10-15 minutes or until golden brown