Shredded potato is a dish made of potatoes as the main ingredient, which belongs to the public. Potatoes contain a lot of potassium and vitamin C, but because of its high starch content, it is easy to paste the pot when frying, and the taste is sticky and not refreshing, so before frying, it is usually blanched. Generally, the shredded potatoes are blanched for about 2 minutes, and the thinner shredded potatoes are blanched 1 minute, while the thicker shredded potatoes need to be blanched for more than 2 minutes.