1. Prepare ingredients: pork legs and small potatoes.

2. Wash the pork, cut it into small pieces, blanch it for 5 minutes and take it out.

3. Wash the blood foam and drain the water.

Prepare ginger slices and onion knots

5. Put rock sugar (or white sugar) in the oil pan, and cook until it is sugar-colored.

6. After the crystal sugar melts, bubbles appear.

7. Quickly stir-fry the cooked pork.

8. Add ginger slices, onion knots and star anise and stir fry together.

9. Stir-fry the meat and add cooking wine and oyster sauce.

10. Stir the fresh soy sauce, soy sauce and vinegar evenly.

1 1. Pour half a pot of boiling water, cover the pot and simmer (you can turn it over several times during the period).

12. Wash small potatoes (peeled or not) during the process of burning meat.

13. Add small potatoes when the meat is cooked to 1 hour for 20 minutes.

14. Give some salt, stir-fry evenly and burn for another 30 minutes.

15. Add some sugar to refresh yourself after cooking.

16. Stir-fry over high fire, thicken the soup, and sprinkle with chopped green onion after serving.