1. Soak peanuts for 2 hours in advance. Wash pig bones, soak them in bloodletting water, and blanch them to remove fishy smell for later use. Carrot cutter hob
2. Boil the water in the pot. After the water is boiled, add the pig bones and cook for 10 minutes. Add a proper amount of cooking wine.
3. Skim off the floating foam on the upper layer, then add carrots, peanuts and ginger slices and boil over high heat.
4. After the water is boiled, turn to low heat, cover the pot and cook for 1.5 hours.
5. Peel and cut the yam, and wash it for later use.
6. 1.5 hours later, add yam and cook for about 30 minutes.
After 7.30 minutes, the soup of pork bone, carrot, yam, plum bean and red bean can be made by adding appropriate amount of salt.