How to make onion water?

The steps are as follows:

1, prepare an onion, peel it, wash it and cut it into a quarter.

2. Then cut the remaining onions into filaments.

3. Add a certain amount of water to the pot, and then pour the shredded onion into the pot.

4. Then bring the water to the boil with high fire, and then continue to cook with low fire for about 10 to 15 minutes.

5. When the onion is soft and rotten and the color is transparent, you can put out the fire. Then filter the shredded onion to leave the soup.