stewed soup is the best way to eat old duck, and fresh yam, lotus root or wax gourd can be added to the old duck soup to improve the nourishing effect.

Old duck soup, a kind of Chongqing cuisine, is a kind of popular consumption soup-pot food, which integrates gourmet health preservation, traditional nourishing and folk dietotherapy. "Old duck soup" has a unique flavor because of its delicious soup, glutinous meat rake with old duck skin, sour and refreshing radish, which makes people often eat it. Whether men, women and children, all over the world, spring, summer, autumn and winter, can be eaten all year round. The old duck soup is clear, fragrant and delicious. The duck fat is Huang Liang, and the meat is crisp and fresh. It is a kind of popular consumption soup pot food which integrates food health, traditional nourishing and folk dietotherapy. Stewed dishes will lose more nutrients when they are processed for a long time, but most of the nutrients in meat are still in the ingredients, so they can be eaten in moderation when losing weight.

Old duck soup should be eaten in summer. Due to the hot and rainy climate in summer, the summer heat is wet, which often makes people trapped in the spleen and stomach and lose appetite. Therefore, it is necessary to use diet to adjust and supplement, increase the intake of nutrients, and achieve the purpose of eliminating summer heat and fatigue. Nutrients should be light and nourishing food, that is, "clearing up". Old duck is a good tonic in summer. It is not only rich in nutrition, but also cold because it lives in water all the year round. It has the effects of nourishing the yang of the five internal organs, clearing the heat of fatigue, nourishing blood and promoting water circulation, nourishing the stomach and promoting fluid production.

In ancient Chinese medicine, duck was discussed as a tonic, and duck meat was called as a "panacea" and a nourishing top grade in A Record of Famous Doctors. There is also a folk saying that "the old duck wins the tonic in the summer". When the old duck stews, it can be eaten with lotus root, wax gourd and other vegetables in soup, which can not only complement the nutrition with meat and vegetables, but also make up for deficiency, relieve summer heat and nourish yang. It is really a good summer tonic. If you add Gordon Euryale seed and Coix seed to stew soup, the effect of nourishing yang will be better, and it can strengthen the spleen, eliminate dampness and stimulate appetite.