Boil the water in the big bone and boil it out.
Carrot hob cut, corn cut
The material and ginger are put into the casserole, and the casserole is added with water at a time. The amount of water is determined by itself. There is no relationship between more and less, and the concentration is less, and the amount is less.
Open fire, boil over high heat, turn to low heat, simmer for 3 hours
Add some vinegar in the middle to make the bone marrow easier to get into the soup.
Adding salt to the pot
Very sweet, vinegar is very important, the fire turns to small fire