1; Crush the crude cassava flour by hand and sieve it with fine reeds.
2; Mash raw cassava flour with the existing garlic mortar at home. Filter with a thin reed.
3; Fine the coarse powder with a cooking machine and then filter it.
4; The above examples are several methods of tools that are always available at home. There should be many tools that can be used in real life.
How to knead cassava starch into dough?
Add a small amount of water several times, and knead slowly to form. When kneading cassava starch again, prepare some dry cassava starch for use, and then add a small amount of water several times to knead cassava starch into dough. Every time you add water, make sure that the water added last time has been absorbed, so as to avoid that adding too much water at a time can't form dough, but adding dry powder can remedy it if there is a little more water.