1. Wash the taro, purple potato, and sweet potato, and steam it
2. Take sweet potatoes as an example. Sweet potatoes are steamed, removed and peeled
3. Mashed sweet potatoes with a spoon
4. Take 100 grams of tapioca cornstarch
5. Slowly pour in the right amount of hot water and stir to form a dough
6. Add the mashed sweet potatoes and slowly knead them into a ball
7. Knead into sweet potato dough
8. Complete the taro dough and purple potato dough in the same way as the sweet potato dough
9. Take out an appropriate amount of dough, knead it into long strips, cut into pieces, and then
