1. water washing: pour fresh potatoes into a jar, add clean water, turn them over manually, take them out after washing, and drain the remaining water.
2. Crushing: The drained fresh potato is crushed into pieces with a size of less than 2 cm, which is beneficial to crushing.
3, filtration: commonly known as big Luo. Pour mashed potatoes into a 60-mesh sieve and sieve. In the screening process, water is added for leaching, and acid pulp can also be used for leaching.
4. After the sweet potato starch is deposited in the bucket for a period of time, the water in the bucket is poured out, and the starch is taken out with a spatula and dried in the sun.
5. Sweet potato starch is ready.