1. It takes about 2 hours to cook the keel soup. Before cooking soup, you need to break clean bones and put them in cold water. Add cold water at one time and heat it slowly.

2, can't add cold water in the middle, the heated meat shrinks when it is cold, protein is not easy to dissolve, and the soup will lose its original flavor. A good keel soup base is white to bone gray, the soup is delicious and the fat nutrition is exhausted.