1. Prepare the ingredients
2. Chop pig's trotters into small pieces
3. Pour trotters under cold water, add a little cooking wine, boil and remove
4. Put the rock sugar in the pan and oil
5. Fried sugar color
6. Pour the blanched trotters and stir fry quickly evenly
7. Stir-fry the water and pour an appropriate amount of cooking wine
8. Add appropriate amount of dried chili, pepper and star anise
9. Add green onion, ginger and garlic
10. Pour the cola without pig's trotters
11. Bring to a boil and cook for 1 hour at medium to low heat, and simmer until the trotters are crisp
12. The soup is thick and ready to be out of the pot
13. Sprinkle some chopped green onion on the plate
