Wash and pat dry the chicken.
Mix hoisin, soy, honey, oyster, and vinegar.
Add sugar, garlic, ginger, sesame oil, and spice.
Stir until sauce is smooth and well blended.
Add chicken into the sauce mixture.
Coat chicken evenly using a basting brush.
Cover bowl and refrigerate for four hours.
Preheat oven to 400°F before cooking.
Line tray with foil and place wire rack.
Arrange chicken pieces neatly on rack.
Roast for 25 minutes, flipping once halfway.
Baste with extra marinade during roasting.
Roast until chicken is sticky and caramelized.
Remove from oven and rest before slicing.