1. Chop the trotters into pieces and soak for a while, and change the water twice.
2. Re-clean water in the pot, add a bottle of cooking wine with a cap, and prepare to blanch the water.
3. Bring the fire to a boil and keep it for two minutes.
4. After blanching the water, pour out the blood and wash the trotters, pat the ginger to crack, cut into large pieces and a small piece of cinnamon.
5. Re-add water and add ingredients.
6. The fire boiled.
7. Change to low heat and simmer for about 50 minutes.
8. The yam was peeled and changed into a knife, soaked in water.
9. After the pig's feet are stewed, add the yam, add salt, and continue to simmer for eight minutes until the yam is soft.
10. When you start the pot, you can make a dipping sauce with pig's trotters.
11. The soup is delicious and not greasy.
