Steps

1. Bring water to a boil in a pot, add sago and stir a few times.

2. Cover the pot and keep it boiling before turning off the heat and let it sit in the pot for 20 minutes.

3. After 20 minutes, the sago grains will have just a hint of white in the center. Stir the sago in the pot again, bring it back to a boil, turn off the heat, and continue to let it sit for 20 minutes.

4. While waiting for the resting process, we can make the balls. Add the purple potato puree to the glutinous rice flour

5. Stir well

6. Add the hot boiling water

7. and into purple potato balls

8. divided into several parts, rolled round

9. After twenty minutes, the sago will be fished out, at this time, sago can hardly be seen the white core.

10. Put the sago into cold boiled water to soak.

11. In a separate pot of hot water, add the purple potato balls

12. Strain the cooked balls and lift the sago out of the cold water.

13. Coconut milk with milk and sugar over low heat to dissolve the sugar.

14. Add sago

15. Finally, add the purple potato balls, can be