Preparation materials: 2 trotters, 300g kidney beans, appropriate amount of pepper, appropriate amount of salt and appropriate amount of ginger.

1, kidney beans are soaked in cold water for one night in advance;

2. Soak hooves two hours in advance and change water two or three times in the middle;

3. Put the soaked hooves into the pot and add a proper amount of water;

4. After the water is boiled, remove the floating foam;

5. Add ginger slices;

6. Add the soaked kidney beans;

7. After the fire boils, turn to a small fire. After cooking for an hour and a half, add salt and pepper to taste;

8. Put it in a bowl.