Step 1: Wash the pork, cut it into pieces, put it in a pot with cold water and boil it with strong fire.

Step 2: remove the blood from the floating foam, clean it with warm water and put it in a pressure cooker.

Step 3: The seasoning of braised pork is pepper, star anise, cinnamon, fragrant leaves, dried tangerine peel, galangal and cardamom.

Step 4, put the seasoning box, peeled raw chestnuts, onion segments and ginger slices into a blanched pressure cooker.

Step 5: Cover the lid 15 minutes. 15 minutes later, the gas in the pot is slowly exhausted, and the nutritious and delicious braised pork is ready.