1

Cut off the white part of the green onion along with the whiskers and roots underneath, put it in water, sprinkle a little flour, soak it for ten minutes, and clean it.

2

In a clean pot, put a little cold water to a single dose.

3

Put the white onion with whiskers and ginger into the pot and cook, when the water boils, cook for five minutes, turn off the heat immediately and drink while it is still hot.

4

If the wind-cold sensation Chang is more serious, you can put a little tangerine peel to cook together, and when the water boils, add a little brown sugar and stir well.