Mushrooms and meat and potatoes can be stewed together.

The steps are as follows:

1. Wash the mushrooms slightly, remove the roots and tear them into slightly wide strips. Blanch the mushrooms in boiling water, remove and cool, squeeze out the water.

2. Wash the chicken wing roots, blanch them in boiling water, and remove them from the water.

3. Prepare 3 potatoes, peel, wash and cut into small pieces.

4. Chop green onion and ginger.

5. Put a small amount of oil in the pot, hot oil under the onion and ginger burst incense. After the flavor, under the wing root stir fry.

6. Pour in soy sauce.

7. Pour in water, no more than the wing root can be.

8. Add soy sauce for color.

9. Add cooking wine.

10. Add vinegar.

11. Add sugar

12. Add salt.

13. Put in the peppercorns and seasonings.

14. Add green onion and ginger.

15. Turn off the heat, pour the fins into the pressure cooker and add the potatoes and mushrooms.

16. Press the chicken button on the pressure cooker.

17. When the time is up, vent, open the lid and season with MSG.