1, cut the lotus root into slices or pieces, put into a basin with water to soak on. Add a little white vinegar into the basin to prevent the lotus root from oxidizing and turning black, so that the lotus root can be more crispy.

2, add 2 grams of refined salt in the basin, mix well, soak for 10 minutes. Fine salt has the effect of sterilization, can remove the eggs in the lotus root. Add an appropriate amount of flour, stir well, and soak for another 10 minutes. Flour has a strong adsorption effect, which can adsorb out the soil inside the holes. Then rinse the lotus root slices under running water twice.