1. After the ribs are cut into small pieces, wash them and blanch them for later use
2. Peel the yam, wash, cut into small pieces, wash with green onions, wash with ginger
3. Wash the corn and cut off
4. Put all the ingredients in the pressure cooker
5. The clear water that has been filled with materials does not exceed the highest water level
6. Select the soup/porridge function key, about 40 minutes to complete
7. Open the lid, add salt, choose to boil to taste, and cook for about 8 minutes (the lid is not covered at this time)
Tips:The electric pressure cooker cooks the soup very quickly, the bones are basically separated after 40 minutes of boiling the soup. If it is other tools, the soup time should be extended.
