2. Soak sweet potato powder in warm water. Cut the onion into chopped green onion.
3. Boil the chicken soup and scoop it into a big bowl.
4. Juice adjustment: put salt, sugar, chicken essence, pepper, soy sauce, vinegar and cooked pepper into a small bowl and mix well.
5. Put the sweet potato powder into a boiling water pot and cook until it is soft and cooked.
6. Pick the cooked sweet potato powder into the chicken soup bowl, pour all the prepared juice and sprinkle with chopped green onion. Spicy and delicious hot chicken soup hot and sour powder is ready.