Wenchengshu vermicelli

Wet the sweet potato with water, filter out the potato residue and impurities, take the starch and adjust the water to cook it layer by layer, cool it for about 30 hours and turn it hard, then plan and sun it into vermicelli. It is delicious and nutritious, and it is an indispensable "harmony dish" as the first dish in the feast in southern Zhejiang.
Reprinted with attribution： https://cnlocality.com/(Chinese Specialty Products)