1. Prepare ingredients. Soak the ribs in clean water for half an hour, then soak them in bloodletting water and wash them for later use.

2. Blanch the ribs in a cold water pot, skim off the blood foam and take them out.

Step 3 absorb water with kitchen paper

4. add oil to the pot, stir-fry the peppers and remove them.

5. Add rock sugar to the crude oil, stir-fry over medium heat until the oil and soup blend, the color becomes darker and darker, and the surface emits lampblack.

6. Immediately add the ribs and mix well.

7. Stir well, add 2 spoonfuls of vinegar and take half a spoonful of soy sauce.

8. Add boiling water, the amount of water is almost less than that of ribs. Add star anise and onion. Simmer for 30 minutes.

After 9.30 minutes, the soup was almost cooked. After adding 1 spoon sugar, turn to high heat and stir-fry to collect juice. Stir constantly to avoid burning the pot. After the juice is concentrated, add 1 spoon vinegar to taste and serve.

10. Take out the plate and sprinkle some white sesame seeds.