1. Pork bones blanched
2. Purple Huaishan cut into small pieces
3. Wash barley
4. Put the bones, purple yam, and barley into the electric pressure cooker, add water and wine
5. Press for 45 minutes
6. Press the pressure cooker to eliminate gas, open the lid, add salt, and season with chicken essence
Tips:If you have time, if you have a casserole, cook it in a casserole for an hour, the taste is better
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