Cooking Steps

1. 

   Step1:Wash the blood after the ossification and freezing of oxtail. Prepare a section of scallion and three pieces of ginge

2. 

   Step2:Boil a pot of boiling water. Put in the beef tailbone, ginger, scallion and some cooking wine. Boil for 5 minutes after boiling again. This step is to remove fishy smell and blood. Don't boil too long, or the taste will all boil in this pot of water

3. 

   Step3:Take it out for use. Don't throw away ginger and scallion. Boil another pot of boiling water

4. 

   Step4:Prepare vegetables. Was

5. 

   Step5:Cut into pieces. The potatoes should be bigger, or they will melt away after cooking for a long time

6. 

   Step6:Put all the materials into the pot after boiling. Turn to low heat and boil for more than 1 hour. It's best if you can cook it for two hours.

7. 

   Step7:In an hou

8. 

   Step8:Boil another pot of boiling water. Put in the sweet potato powder that has been soaked. Cook it

9. 

   Step9:Remove the supercooled water and drain the wate

10. 

    Step10:Ingredients and soup in the sou

11. 

    Step11:Because the powder is light. It will feel light after adding the soup. I like the hot and sour powder. So I add a little Ganma, a little vinegar, a little soy sauce and oyster sauce

12. 

    Step12:Two bowls. The small one is min