1. Prepare the ingredients
2. Boil the bean sprouts in boiling water
3. Soak the walnuts in boiling water for 10 minutes to remove the astringency
4. Take out the bean sprouts into cold water
5. Put the walnuts in the pan and fry them
6. Chopped Chaotian Pepper
7. Saute the chili peppers, pour into the drained bean sprouts
8. Pour the vinegar
9. Pour the chili oil
10. Pour in oyster sauce
11. Put the fried walnuts in, mix evenly
