How to make sweet potato starch

1, sweet potato wash clean, cut into pieces, as shown in the picture.

2, the sweet potato into the grinder, as shown in the picture.

3, this is the juice of the sweet potato, as shown in the picture.

4, the sweet potato residue from the grinder pour out, as shown in the picture.

5, the sweet potato juice and sweet potato residue mix well, as shown in the picture.

6, pour into the filter, and then rinse with water until the filtered water is clear, as shown in the picture.

7, filtered water to stand for 2 hours, and then pour out the yellow water, as shown in the picture.

8, the remaining white is sweet potato starch, as shown in the picture.

9, the sweet potato starch out, dry can be, as shown in the picture.