1. two pounds of old duck, ginger sliced spare

2. yam peeled, hobnail knife cut into large pieces, washed and spare

3. Mao brother old duck soup ingredients a packet of

4. cook a pot of boiling water, down into the old duck copied to the snapping

5. the duck, pour off the boiled water

6. re Change a pot of water, into the old duck, ginger, Mao Lao duck soup ingredients

7. Cover the pressure cooker lid, large fire steam, change to low heat stew for 20 minutes

8. steam open the lid, into the yam, cover the lid again, large fire boil and then change to low fire stew for 10 minutes

9. with a soup bowl to serve out a pot of rich old duck soup is done