1, first clean the ducks and soak them in water for half an hour or more, in order to soak the bleeding water.
2. Prepare condiments: onion, ginger, rock sugar, cinnamon, star anise, pepper, salt and soy sauce.
3. Clean the duck soaked in bleeding water and boil it in a cold water pot, skimming off the floating foam. Note: If there is too much floating foam, the water should be poured out and the ducks should be cleaned again.
4. Then take the duck out and add onion, ginger, rock sugar, cinnamon, star anise, pepper, salt and soy sauce to boil.
5. Then put the duck into the marinade pot.
6. Boil the fire and pour the juice on the ducks. Keep the medium heat for 30-40 minutes, turning the duck several times in the middle.
8. Finally, collect the juice from the fire, cook it for 10- 15 minutes, and pour the juice on the ducks continuously.
8. Take out the cooked duck.