1. Rinse the pork liver under running water for 10 minutes, then slice and soak in slightly salty water for half an hour, changing the water frequently until it is clear.

2. Blanch the pork liver, then add salt and rice wine, marinating briefly.

3. Soak the yellow beans in water for 1 hour.

4. Place the soaked yellow beans into a sandpotapot, add an appropriate amount of water and cook until the beans are tender.

5. Add the pork liver, salt, and dark soy sauce, bring to a boil then reduce heat and simmer for half an hour before serving.