1, the best way to fry sweet potato balls is to use half of the flour and half of the glutinous rice flour. If you use all the flour to fry, the sweet potato balls will be hard and relatively greasy when they cool down.

2, if you use glutinous rice flour to fry, sweet potato balls, although the outside of the crispy tender, but the molding is not good will lead to soft pills, so the best way is to use half of the flour half of the glutinous rice flour.