1, raw flour can be used to thicken, because raw flour is a kind of starch, and most of the raw flour we usually buy is potato starch, which is also a kind of starch mainly used for thickening in our daily life.

2. The method of thickening with raw flour is very simple. We just need to mix the raw flour with water in the ratio of 1: 4, then pour it into the dish to be cooked, stir-fry and cook for a while.