1. Prepare the ingredients: appropriate amount of dried flat fish, green onions cut into sections, ginger cut into slices and red pepper cut into sections.

2. Heat an appropriate amount of oil in the pot and fry the chopped fish until the fish skin is slightly charred and the fish meat turns white.

3. Add peppercorns, green onion segments, ginger slices and dried red pepper segments and stir-fry over low heat until fragrant.

4. Add an appropriate amount of water, add an appropriate amount of cooking wine, dark soy sauce, sugar and vinegar, bring to a boil over high heat, and simmer over low heat for 20 minutes.

5. Continue to simmer over low heat, turning it over when cooking, and cook until the flesh of the dried flat fish is soft and fragrant.