Century-old soup does not refer to the soup made from a hundred kinds of ingredients, but refers to its age. As the name suggests, the old soup refers to the soup that has been used for many years to stew poultry and meat. , the longer it lasts, the richer the nutrients and aromatic substances it contains! The method of making old soup is to filter out the soup from the last chicken stew and put it in the refrigerator to make a jelly. The next time you want to stew the meat, except for the same raw materials and seasonings, add the soup left last time. Put it in, wait until the braised pork is finished, then filter part of the soup and put it in the refrigerator. for next time use.

By repeating this process, it becomes an old soup.

Old soup also contains a high amount of nitrite, so it can only be used as a seasoning. The old soup in those cooked food shops mostly refers to the soup that has been cooked for many years< /p>