Cooking Steps

1. 

   Step1:Forget to add cold water, cooking wine, ginger and boi

2. 

   Step2:Add ribs after boilin

3. 

   Step3:Treat the yam while cooking the ribs. It's better to cut it off and soak it in water for half an hour

4. 

   Step4:Boil for three minutes, remove ribs and add cold wate

5. 

   Step5:Add ginger, three drops of vinegar and vinegar in the stew pot to loosen the bone marrow. Add one or two drops of soy sauce and cold water

6. 

   Step6:Add dates and start stewin

7. 

   Step7:Add yam in an hou

8. 

   Step8:30 minutes out of the po