Wild Red Rug Soup
1.
Sit in the boiling pot with water. After the water is boiled, add the cleaned pork spine to blanch for about two minutes, remove the blood foam, and transfer the pork spine into a clay pot of boiling water.
2.
Add a piece of ginger, appropriate amount of cooking wine, a few drops of vinegar, add the soaked big red Ru, boil again, skim off a small amount of foam, turn to low heat for about 1.5 hours, add a small amount of salt before turning off the heat