01 - In a large bowl, whisk together hoisin sauce, honey, soy sauce, oyster sauce, Shaoxing wine, brown sugar, five-spice powder, fermented bean curd if using, garlic, ginger, sesame oil, and white pepper until smooth and well combined.
02 - Add chicken thighs to the bowl, turning to coat each piece thoroughly. Cover and refrigerate for at least 2 hours, preferably overnight for maximum flavor penetration.
03 - Preheat grill to medium-high heat. Alternatively, preheat oven to 425°F and line a baking tray with foil, placing a wire rack on top.
04 - Remove chicken from marinade, allowing excess liquid to drip off. Reserve remaining marinade for basting during cooking.
05 - Grill chicken for 5-7 minutes per side, basting occasionally with reserved marinade, until caramelized and internal temperature reaches 165°F. For oven method, roast on rack for 20-25 minutes, turning and basting halfway through.
06 - Mix 1 tbsp honey with 1 tbsp hot water. Brush glaze over chicken during the final 2 minutes of cooking for a sticky, glossy finish.
07 - Let chicken rest for 5 minutes to allow juices to redistribute. Slice against the grain and serve immediately with steamed rice and vegetables.