1. Wash the hawthorn, divide it into four parts, and remove the stone. Put the processed hawthorn into a pot, one layer of hawthorn and one layer of sugar, marinate for 15 minutes, put the pot on a steamer, and simmer for 1 to 15 minutes.
2. Cool the hawthorn and put it in a blender to make it into mud. Pour the hawthorn paste into the baking tray and scrape evenly.
3. set the oven to 7℃, bake the middle layer for four hours, and take it out and put it in a ventilated place for one night. Scoop the edge with a knife, divide it into evenly divided strips, and roll up the strips.