Preparation materials: tapioca 200 grams, 150 grams of boiling water, 500 grams of purple potatoes, 100 ml of milk, 50 grams of sugar

1, first of all, cut the purple potatoes into slices, and then put on the steamer to steam it.

2, put the steamed purple potatoes into it, put sugar and milk in turn, and press it into puree with a spoon.

3, another small bowl, put 200 grams of tapioca flour, 150 grams of boiling water, and make them into a dough. As shown in the picture below.

4: Roll out the dough.

5: Spread the mashed sweet potato on it and roll it up.

6, steam for 8 minutes, time is up, take out the plate, delicious and beautiful ice skin purple potatoes finished.