2. Wash the pork belly and cut the pork belly into pieces.
3. Pork belly and mushrooms are put into a pressure cooker, then appropriate amount of soy sauce, soy sauce and water are added to cover the pot, and the pot is cooked for 10 minute.
4. Ten minutes later, after the pressure cooker is deflated, open the lid.
5. Heat the oil in the wok and soak the melon beans in the wok for a while.
6. Cooked pork belly with black bean sauce is crispy and delicious. The gravy absorbed by mushrooms is fresh and delicious, and the melon fragrance is soft. The black bean sauce also absorbs the aroma of gravy and mushrooms. The whole bowl of dishes is spicy and delicious, which makes people unable to control their appetite.