Step 1
Whisk together the sugar, black bean sauce, parsley, green onions, soy sauce, hoisin sauce, sherry, sesame oil, vegetable oil, ginger, garlic, and five-spice powder in a bowl, and pour into a resealable plastic bag. Add the chicken, coat with the marinade, squeeze out excess air, and seal the bag. Marinate in the refrigerator overnight, up to 2 days, turning occasionally.