1. Chop the big bones of pigs into big pieces, then soak them in water to wash them off
2. Put the big pork bones in the pot and add the right amount of water
3. Boil on high heat, and the floating bubbles will be removed.
4. Add ginger slices
5. Add cooking wine,
6. Simmer slowly over medium heat for an hour
7. Add a piece of old soup
8. Add the right amount of spices
9. Then add the right amount of soy sauce
10. Continue to cook on medium heat for about half an hour
11. Just collect the soup and you can eat it
Tips:Note: The big bones boiled in this way are not finished for the first time, and they are very fragrant when they are cold.
