The purple potato is peeled, sliced, and placed in a pressure cooker and steamed with water.
Add some sugar to the hot season and add to your taste. Add glutinous rice flour and mix well. If the purple potato is too dry, add some hot water.
Knead the kneaded dough into a small ball of the size of a dumpling. You can also pack your favorite stuffing, such as hummus. Can not eat, can be stored frozen.
Directly steamed and eaten, soft and sweet, very delicious. After the sago can be boiled, the purple potato balls are simmered with sago, and then steamed, which is good. You can also cook it.