1. The materials are as follows.
2. Put the arrowroot powder into the pot.
3. Stir in cold water to make the powder evenly.
4. No particle state.
5. Do not cover the lid during heating and keep stirring.
6. Add goji berries.
7. Add black sesame powder.
8. Stir vigorously.
9. For sweet ones, just add rock sugar in advance.
