1, purple potatoes washed and cut into pieces, boiled and mashed into a puree, milk and purple potato puree in advance into the cooking machine into a milkshake.

2. Pour the milkshake into a non-stick pan, add cornstarch and sugar and stir well until there is no dry powder.

3, low heat slowly heating and stirring until thickened, lift the spatula inverted triangle into the mold.

4, across the cold water to cool down until not hot, wrap up and put in the refrigerator for an hour, remove and sprinkle with coconut, and finally cut into pieces can be.