Purple Sweet Potato Yuanzi
1.
Steam and peel the purple sweet potato.
2.
Crush the purple sweet potato into a puree.
3.
Add about 200 grams of tapioca flour and knead it into a dough.
4.
Roll into small balls.
5.
Boil water in a small pot, add purple sweet potato balls.
6.
Squeeze a few drops of lemon juice into the pot.
7.
Cook until the balls float and become translucent, and add a spoonful of sugar.
8.
Duansheng off the fire into the bowl.