Tools/raw materials: 2 pieces of pork bones, 2 pieces of ginger, onion 1 segment, refined salt 1 spoon, clear water, pots and bowls.

1, the big bar bone is broken into two pieces from the middle and soaked in clear water 1 hour.

2. Then put the pot in cold water.

3. After boiling, skim the blood foam.

4. Remove the drain pipe.

5. Put the blanched bones in a pressure cooker, add half a pot of hot water, and add the onion and ginger slices.

6. Cover and pressurize for 25 minutes.

7. After pressing, add 1 teaspoon of salt.

8. Serve in a bowl.