2. Wash yam and potatoes, peel them and cut them into pieces for later use.
3, ribs washed, cold water pot, boil, remove blood foam, remove and clean.
4. Add the ribs to the pressure cooker and add the appeal seasoning and water.
5, choose the stew file, after cooking, naturally deflate and open the lid.
6. Add yam and potatoes and stew for 12 minutes.