Exercise:

1. Pork belly in cold water, add ginger slices, cook with wine for 3 minutes, remove and wash.

2. Heat oil in the pan, add rock sugar and stir-fry until the color is brown, add pork belly and stir-fry quickly, and add onion, ginger, garlic, dried Chili, fragrant leaves and star anise to continue stir-fry. Add 1 tbsp soy sauce, 1 tbsp soy sauce and mix well. Add boiling water and pork belly will not appear. Bring it to a boil and simmer for about 1 hour.

3. Add chestnuts and continue stewing for 20 minutes to collect juice.