1. Cut the meat into pieces or small pieces, put it in a pressure cooker and boil it in cold water, then pour out the cook the meat water and leave the meat in the pot.

2. Pour boiling water into the pressure cooker again, add 5 pieces of star anise cinnamon, pepper, pepper and ginger, and 2 green onions, add 2 tablespoons of salt, then boil for 5 minutes (this step is to let the meat absorb the salty taste), then cover the pot and cook for 15 minutes on low heat.

3. Cut the sour cabbage into small pieces and soak the sweet potato powder until soft. Put the sour cabbage and pickled pepper in a pressure cooker, gently cook for 5 minutes, add pepper to taste, and finally put the sweet potato powder in and cook. At this time, the amount of salt and the intensity of spicy taste can be determined according to the amount of soup. If it is not enough, it can be added.