Don't bother, just sweet potato powder, and mix evenly according to the ratio of 1: 3. Then take a piece of gauze and filter it, because there will be some impurities in the starch, and if it is not filtered, it will have a sandy taste. After filtering, put it in a pot and cook it, and it will slowly become a paste. Remember to simmer on low heat, and then keep stirring until it becomes a big pot, but you can't stir any more. You should stir it. Fry it in a pot. In addition, there is soup, that is, sesame paste is boiled with water, and then boiled water, salt, monosodium glutamate, vinegar, garlic and prepared sesame paste are added to the fried powder! Shredded cucumber, coriander, etc.