Grind alum into fine powder, add water100g and stir well to make alum water. 2

Pour the cooked paste into a pot, add sweet potato starch, 2000 grams of clear water and alum water, and knead into a powder ball with moderate hardness for use. Use a large aluminum ladle to make holes the size of soybeans, put the dough into the ladle, pat the dough with your palm to make it leak into a boiling pot for boiling, then pick it in cold water and let it cool to get gouache.

Preparation of hot and sour powder seasoning and types of pouring;

The sauce used for hot and sour powder is made like noodle sauce, mainly including "fat sausage sauce", "bean jelly sauce" and "ribs sauce", among which "fat sausage sauce" is the most famous. "Fat intestines" can be divided into "hot and sour pork intestines powder" and "original soup pork intestines powder", that is, hot and sour taste and fresh and salty taste. Seasoning is mainly composed of pepper, red pepper, chopped green onion, soy sauce, sprouts, celery, vinegar, coriander, big head sprouts (a vegetable in Sichuan), crisp soybean, monosodium glutamate and so on.