2. Prepare a cup of mung bean starch.
3. Pour the starch into the basin and add a cup of cold water to the starch with a cup of starch.
4. Measure out 4 cups of water from the same cup, pour into the pot, and add a little salt to boil.
5. Stir the starch with water evenly while boiling water.
6. After the water is boiled, turn to low heat, pour in the starch paste and keep stirring.
7. Cook until the starch paste is white and there are many small bubbles.