Materials: 1 old duck as main ingredient, 1 iron stick yam as auxiliary ingredient, Job's tears as appropriate, lotus seeds (dry) as appropriate, 8 dendrobium, several green onions, 1 small piece of ginger, 5 grams of salt.

1, the onion and ginger sliced, yam peeled and cut into sections, dendrobium and lotus seeds soaked in water.

2, the old duck cut into pieces into a pot of boiling water, blanch the blood.

3, fish out the duck pieces into the pot, add a little oil to fry dry water.

4, add water in the pot, first cook on low heat for 20 minutes; then add barley and dendrobium, stew for 40 minutes.

5, then add yam, ginger, scallions, lotus seeds, continue to stew for 40 minutes.

6, add the right amount of salt to taste before leaving the pot, a healthy and fragrant "dendrobium old duck soup" is finished.