Production method:
1 Processing ingredients: Wash and soak yam, lotus seeds and poria cocos first 1 hour for later use; Soak cuttlefish for about 2 hours until soft, then remove the hard bones, wash and cut into pieces for later use; Wash the lean pork and cut into large pieces; Cut 3 slices of ginger for use.
2 Put cuttlefish pieces, pork pieces and ginger in a cold water pot, bring them to a boil over medium heat, blanch them, remove them, and wash off the blood foam with clear water.
3 put all the processed materials into the inner container of the electric pressure cooker, add appropriate amount of water, then put it into the electric pressure cooker and cook it with the "soup" procedure. Add salt to taste before eating.