Add water to the potato starch and form into a ball, just like dough, not too thin. Then stretch it into a long strip and cut it into thin strips as wide as your finger. The first step is completed. Then put oil in the pot (put more oil, firstly, the potato starch absorbs more oil, and secondly, the potato starch is not easy to clump when fried), put the cut vermicelli down and stir-fry, you can sprinkle some water while frying , keep the potato starch from being burnt, stir fry frequently, until the color of the potato starch becomes transparent, add some salt, a little sugar, sesame seeds, and peanuts (pre-fried shelled peanuts), and it's ready to serve! The potato starch has a strong texture, and with the addition of crispy peanuts and sesame seeds, it tastes great!