Potato cold noodles and preparation method thereof

The invention discloses a potato cold noodles and a preparation method thereof. The preparation method comprises the following steps: step one, kneading flour into dough and fermenting, wherein the fermenting process orderly includes two stages at the certain temperature for certain time, the first stage lasts for 1-3 hours, the second stage lasts for 10-15 hours, and the flour comprises 45-55 parts of wheat flour and 40-50 parts of potato whole powder in parts by weight; and step two, preparing the noodles from the fermented dough, cooking the noodles and rinsing to obtain the potato cold noodles. The invention also provides the potato cold noodles prepared by adopting the method. According to the potato cold noodles and the method, the wheat flour and the potato whole powder are mixed and a two-time fermenting method is utilized for preparing the convenient, delicious and nutrient potato noodles, so as to provide guidance for production of the potato cold noodles.