Cut clean duck legs from the top, cut them into pieces of appropriate size, put them into a pot mixed with clear water, add ginger slices, scallion, white wine and a little pepper, boil them with strong fire, remove them and rinse them with clear water. Add a spoonful of cooking wine and two slices of ginger to the duck leg in cold water. After the water boils, blanch the trotters with drain water, remove the floating foam and wash them. Prepare a saucepan, add ginger, duck leg, onion and boiled water in turn, and simmer for 1.5 hours after boiling.

The yam is a hard-core yam, the slender one! Don't choose very thick yam, or it will rot when stewing! Put yam, duck leg and peanuts into a casserole, add appropriate amount of water, onion and ginger, and stew over medium heat until the trotters are soft and rotten. Finally add salt. The yam hob is soaked in water to prevent it from oxidizing into a large amount of yam fire, and boiled to eliminate white foam (from yam mucus).

Wash and blanch the duck leg, then pour it into a clean casserole, add ginger slices, yam, red dates, codonopsis pilosula and Beiqi, simmer for two minutes, then open the lid, add Lycium barbarum and add some white vinegar. Finally add salt. Prepare a yam for peeling (it is best to wear gloves when peeling, otherwise people with allergic skin will itch), cut it into small pieces two meters square and soak it in water for later use. Boil for about an hour, add yam pills, continue to cook for 10 minutes, add monosodium glutamate, chicken essence and a little salt, and then take out the pot. Adding green garlic leaves or coriander to eating activities can also remove the fishy smell.

The practice of duck soup is relatively simple, like a roast duck restaurant. Slice the duck meat and make duck soup with duck skeleton. The soup is thick and white and delicious. But if it is real duck soup, it should be cooked for at least 1.5 hours. Yam is a kind of civilian food, which contains a certain amount of mucin and mineral elements, which can properly prevent blood lipids from depositing on the blood vessel wall, thus promoting cardiovascular and cerebrovascular health. The content of nicotinic acid in duck meat is also quite rich. Nicotinic acid has a strong role in dilating peripheral blood vessels and is used to treat headache and migraine in clinic.