https://blog.themalamarket.com/mouthwatering-chicken-kou-shui-ji/

For Chicken

• 2 bone-in, skin-on chicken breasts (or half of a chicken, both white and dark meat, 1½-2 pounds total)
• 1 tablespoon Shaoxing rice wine
• 1 tablespoon grated ginger
• ½ teaspoon kosher salt For Sauce and Garnish
• 4 tablespoons chicken juices from steaming, cooled
• 2 tablespoons Chinese black vinegar
• 2 tablespoons Chinese soy sauce (Zhongba preferred)
• 1 tablespoon sugar
• 1 tablespoon Sichuan pepper oil
• 2 teaspoons Chinese sesame paste
• 1 teaspoon roasted sesame oil
• ¼ cup chili oil (eyeball the ratio of ¾ oil to ¼ crisp)
• 2 scallions, green part only, thinly sliced
• 1 tablespoon roasted peanuts, roughly chopped
• ½ teaspoon roasted sesame seeds