How to mix potato vermicelli noodles?

Accessories: one teaspoon of alum, one pot of water and half a pot of boiling water.

Steps:

Use about two teaspoons of potato flour, about 50 grams, add a little alum, and then dilute it into a paste with cold water.

2. Solidify it with boiling water, add dried potato powder and stir.

3. Synthetic soft and hard dough, not too soft.

4. Roll it into a thin dough like a rolling noodle.

5. Cut into thin noodles.

6. stew half a pot of boiling water. After the water is boiled, add the vermicelli, cook it slightly, and take it out after the vermicelli floats to the surface.

7. Take it out and put it in a cold water basin.

8. Finally, the purified water can be fished out.