Water surface ratio: 1L water plus 100g flour, and the concentration can be adjusted according to personal preference.
Practice: First, add 1L water to the pot to boil, then dissolve the flour in the water and stir it evenly, and then put it in boiling water to boil the noodle soup twice. If you want to add some nutrition, you can add eggs when the noodle soup is boiling and stir well. This is the egg noodle soup.