What is the traditional practice of stewing casserole with old duck soup?

1. Take out the viscera of the old duck, wash it and cut it into pieces; Wash the sour radish with water and slice it. Pat the ginger into pieces for later use.

2. Pour the duck into the frying pan and stir-fry until it contains steam (no need to add oil).

3. After the water is boiled, pour in the fried duck and radish, and add the prepared ginger and pepper.

4. Pour the duck pieces together with the soup into the pressure cooker and cook.

Note: The traditional method is to stew in a saucepan for an hour or two. Here, it is cooked in a pressure cooker to save time.