The materials that need to be prepared in advance include: a number of white onions, the right amount of water. The specific method is as follows:

1, prepare the green onion, only take the white onion wash and spare.

2, the white onion cut into sections and add water.

3, large fire boil, turn to small fire and cook for about 3 minutes, until the scallion flavor off the fire.

4, pour into a bowl, cool temperature can be served.