Purple sweet potato milk cube
Wash and peel the purple potatoes, slice them and steam them in a pot.
After steaming, press the back of a spoon into a puree.
Pour the milk into a bowl and add the sugar and stir well
Pour in the cornstarch and continue to stir well.
Then pour in the purple sweet potato puree and stir well.
Strain into a non-stick pan.
Stir and bring to a simmer until thick.
Put it in a mold, wrap it in plastic wrap and refrigerate for more than 4 hours until it solidifies.
Take it out upside down and cut it into small pieces.
Coat with grated coconut.