1. Prepare keel 1 80g, yam 30g as main materials, medlar 10 pieces, ginger pieces, onion1piece, cooking wine15g, and salt 5g as auxiliary materials.

2. Cut the keel into pieces, wash it, boil water in the pot and soak the keel.

3. Remove the keel after drowning and wash it with running water.

4. Put the soaked keel into a casserole, add enough cold water, add a few slices of ginger, a onion knot and a little cooking wine, bring to a boil over high fire, skim off the floating powder and turn to low heat for half an hour.

5. Wear rubber gloves, wash the yam, peel and cut into pieces, quickly put it into the pot, and continue to simmer for half an hour.

6, yam pot for half an hour, put ten.