1. Wash duck head
2. Heat the oil in the pot to heat, and add dried pepper, pepper and pepper.
3. Add bean paste and stir-fry until fragrant
4. Add ginger slices and garlic slices and stir-fry until fragrant.
5. Old pot-stewed soup
6. Add the old marinated soup, star anise, tsaoko, licorice, clove, cinnamon, fennel, fragrant leaves, soy sauce, oyster sauce, salt and sugar and cook the marinated soup for 20 minutes.
7. Pour the boiled brine into the casserole, add the duck's head, boil over high fire and stew over low fire 1 hour.