Blueberry Yam
1.
The yam is peeled, sliced, soaked in cold water and washed twice
2.
Put it in boiling water and boil it in warm water for a few minutes. Don't overcook it to avoid breaking the yam.
3.
Lay out. Fill the corner of the fresh-keeping bag with blueberry jam, then move the corner and squeeze the jam to make a shape.