Fried jelly is a famous traditional snack in Kaifeng, the capital of the Song Dynasty. The history of Kaifeng eating jelly is very long. Meng Yuan used to write in the "Tokyo Dreams" that in the Northern Song Dynasty, there was already a fine jelly powder. ", the color is white, crystal clear, tender and refreshing. There are poems to praise: "Ice stripe fish wear, crystal clear teeth have a cold. The taste is thick and light with the gentleman, only cool to acid." There are many types of jelly, the common cold powder on the market is sweet potato jelly, mung bean jelly, pea jelly Etc., among them, sweet potato jelly powder and mung bean jelly powder taste strong, Kaifeng is rich in sweet potatoes, so the fried jelly is mostly used sweet potato jelly.