1. Stir fry ginger and garlic, Zanthoxylum bungeanum, cinnamon, star anise and dry pepper in hot oil.
2. Add the chicken and stir fry.
3. Pour in cooking wine.
4. Add a little soy sauce.
5. Add the right amount of water over the chicken, water can be a little more.
6. Cover, cover and simmer for half an hour.
7. Add the potatoes.
8. Add salt and simmer for 10 minutes.
9. Add coriander and red pepper before cooking.