How to make potato vermicelli?

Wash the dry powder strips, and you can soak them in cold water for a while or not, depending on your patience in cooking noodles. Put cold oil in a hot pot, stir-fry the bottom of the pot to give off fragrance and red oil, add star anise, spicy skin and ginger slices to give off fragrance (if there is no bottom of the pot, it is also good to add some bean paste), add potato pieces and stir-fry quickly and evenly for a few minutes. Stir-fry the dry powder strips evenly, the soup must cover the vermicelli, let the vermicelli absorb the soup to make it delicious, stir-fry it evenly with salt, cover the lid and simmer for a few minutes, so that the potatoes and vermicelli can be cooked quickly and delicious. 1. Prepare 50g potato starch and 30g water. 2. Prepare 50 grams of homemade potato starch and add 30 grams of cold water. 3. Stir the starch and cold water evenly with chopsticks to form a thin soup of starch water. 4. Pour100g cold water into the pot and bring to a boil. Put the boiled hot water into the stirred starch water immediately. 5. While pouring boiling water, stir quickly in one direction with a rolling pin. 6. Stir the thin soup-like starch water into a transparent paste with a little toughness. When you lift the rolling pin, you can see that the paste starch can be extracted. 7. Add 250g of dried potato starch to the stirred starch paste while it is hot. 8. Prepare an egg and filter the egg white for later use. Pour the egg whites into the dry starch. 9. Add 1/4 teaspoons of salt, and mix the starch paste, dry starch, egg white and salt together by hand to form dough with smooth surface. 10. Prepare the tools for making potato vermicelli and open the lid on the tools. 1 1. Grab a handful of potato dough and stuff it into the hole in the middle. With the rotation of the handle, the potato vermicelli will be squeezed out. 12. Put enough cold water into the pot and bring it to a boil. Move the tool to the top of the pot and let the extruded potato vermicelli flow into the pot while squeezing. 13. Cooked potato vermicelli floats on the water. Drain the potato vermicelli with a colander, immediately put it in a cold water basin, and let the potato vermicelli cool several times. 14, potato vermicelli that is too cold can be stewed cold.