Ingredients for making cool skin: flour, cooking oil, and salt. Method and steps: 1. First, we need to prepare a large bowl. After adding 500 grams of flour to the large bowl, add 210 grams of cold water into it to knead the flour.

Add while stirring. After the flour is stirred into cotton wool, start kneading it into a slightly soft dough.

After the dough is ready, we need to prepare half a basin of water, then put the prepared dough into the water and start washing it.

Washing noodles is very simple, just like washing clothes. Just wash the dough back and forth. At this time, the cold water will slowly become thicker and the flour will slowly transform into gluten.

2. The first wash takes about 5 minutes. After washing the dough, you need to filter out the gluten, filter the washed cold water and set it aside for later use. Then add an appropriate amount of water to the gluten and wash it for the second time.

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Repeat the above actions until the water is completely washed and clear.

It takes about five or six times to wash the face. After washing the face, we need to put it aside and let it rest for 4 hours.

To clean the gluten left over from the flour, we need to add a spoonful of edible alkali to it, mix it evenly with our hands, then add an appropriate amount of water to soak it.

3. After the flour water has settled for 4 hours, we need to pour out all the yellow water on the surface, leaving the white slurry at the bottom of the pot, then add a spoonful of edible alkali to the slurry, and stir it with the slurry thoroughly.

Evenly.

Then prepare a steamer, add half a pot of water to the steamer, boil the water over high heat, put the prepared gluten into the steamer, and steam it for 15 minutes.

At this time, we need to prepare a flat plate, brush the bottom with a layer of cooking oil, scoop the prepared powder slurry into the plate, put it in the steamer, and steam it over high heat for two seconds.

In minutes, the cold skin is ready.