After the sweet potato is cooked, add sugar, boil the sugar, leave the fire and start cooking sago.
It is best to soak sago in 1-2 hours, then prepare water to boil, then add sago and cook until sago has no white heart.
Rinse and soak with cold boiled water and ice cubes.
Boil the cold sugar and sweet potato before eating, and then put the sago into the fire. !