1. Cut chicken into cubes and pat dry.
2. Combine and mix up all the marinade ingredients in a small bowl.
3. Marinate for 30 minutes.
4. Combine all sauce ingredients in a separate small bowl.
5. In a hot wok, add 2 tablespoons peanut oil and cook marinated chicken on high heat.
6. Add 2 tablespoons of Shaoxing wine around the edge of the wok and stir.
7. Stir fry chicken for 3 to 4 minutes until it turns white. Remove from wok and set aside.
8. Add oil if needed and heat to hot. Fragrant peppercorn, ginger, garlic, white part of scallions and red chilies in the wok for 2 to 3 minutes.
9. Add sauce to wok and bring to boil.
10. At medium heat: Combine cooked Chicken and cook for 2 minutes.
11. Add roasted peanuts, toss continuously for 2 minutes.
12. Plate and garnish with green part of scallions and coriander.
13. Sprinkle a teaspoon of sesame oil (optional).

Enjoy with a bowl of hot rice.

Note: different soy sauces will give different level of saltiness. Adjust as needed. You can add sugar if it's too salty or add salt to your desired taste.