1. Soymilk made by the soymilk machine.
2. After the slag, prepare a cup for later use.
3. Knead the glutinous rice flour smoothly and set aside.
4. Knead the glutinous rice flour smoothly and set aside.
5. Mix the mashed purple potato with sugar and knead well.
6. Take an appropriate amount of glutinous rice flour, knead it and squash it, and put on the purple potato mash.
7. Close up and roll into glutinous rice balls, as shown in the picture.
8. The prepared purple sweet potato glutinous rice balls.
9. Pour the beaten soy milk into the soup pot and bring it to a boil, and put the wrapped purple sweet potato glutinous rice balls.
10. Put an appropriate amount of white sugar or brown sugar for sweetening.
11. Boil the glutinous rice balls until they float, then cook for 1-2 minutes, remove them from the bowl, and serve.
12. Serve glutinous rice and purple sweet potato dumplings.
