Rib and yam soup

1. Spare raw materials.

2. Peel the yam, wash it and cut it into pieces.

3. After blanching the ribs, rinse thoroughly and set aside.

4. Add enough water to the pressure cooker, add ribs, yam, and ingredients.

5. Cover the pressure cooker and then press the button on the lid. Press for about 20 minutes, then open the exhaust valve to exhaust.

6. Add an appropriate amount of salt.

7. Serve in a cup and serve while hot.