1. Prepare ingredients for weighing
2. Pour all into the basin and stir evenly without particles.
3. Sieving it again is more delicate.
4. Put the pot on high heat and steam for 20 minutes
5. Stir evenly while hot
6. Pull a piece of medicine into a pie crust.
7. Pack the purple sweet potato filling
8. Wrap it like a bun, and then roll a layer of coconut paste on the surface to eat
