2. Put the duck in a bigger container.
3. Add shallots, ginger slices, pepper, aniseed, cooking wine and soy sauce, spread them evenly on the duck and marinate for 1-2 hours.
4. Coat the marinated duck with syrup evenly.
5. Preheat the middle oven 180 degrees for about 50 minutes, and put a tray covered with tinfoil on the lower floor.
6. It's time to take it out to cool and cut it into thin slices.