Self-made method of wheat starch: add water to flour to form dough, knead it by hand for 10 minute, and it will not stick to hands; Let it stand at room temperature for 1 ~ 2 hours, wash off gluten (plant protein), add water which is about 4 times the weight of flour, knead it gently by hand repeatedly, and wash the starch into water until the starch slurry is sticky.

If the operation is repeated twice, the starch slurry is allowed to stand for precipitation, put into a cloth bag to drain water, and dried in the sun to obtain wheat starch. Boil noodles with boiling water when eating. If the viscosity is not enough, you can add a little flour. Usually lotus root starch can be used to make snacks.