1. Wash sweet potato powder and soak in water,
2. Wash and cut coriander,
3. Wash the scallion and cut the flowers,
4. Chop mustard,
5. Pour oil into the pot, heat it, saute pepper, dried pepper, pepper powder, pepper powder, white sesame, add soup to boil, put into a bowl,
6. Boil half a pot of water in the pot, heat the sweet potato powder, and put it into the soup bowl,
7. Add monosodium glutamate, vinegar, salt, spiced peanuts, mustard, sesame oil, and sprinkle coriander segment and scallion.