2. Cut the ribs and soak them in water for 30 minutes. After soaking in bloodletting water, take them out.

3. Boil the cold water, add the ribs, cook 1 tbsp cooking wine again, skim off the floating foam, and take out the ribs.

4. Put the blanched ribs into the casserole.

5. Add soaked mung beans and ginger slices.