1. Wash the big white kidney beans and soak them in cold water for about 12 hours. Peel the kidney beans one by one after soaking their hair
2. Pour some water into the kidney bean bowl, and the amount of water should not exceed the level of kidney beans. Steam with high heat for 40 minutes. After turning off the fire, don't worry about opening the pot cover and stewing for about 10 minutes
3. Mix the kidney beans with sugar and crush them with a spoon
4. Sifting, this step is very important, it needs patience, after the screening of kidney bean paste is very careful
5. Mix kidney bean paste with purple potato powder, strawberry powder and pumpkin powder to make kidney bean noodles with different colors and flavors
6. Use a rolling pin to roll the purple potato and strawberry flavored kidney bean paste into large pieces of uniform thickness, about 2-3 mm thick, and fold them together
7. Use a knife to cut the double flavor kidney bean skin under the four sides, and put the red bean paste round in the center of the kidney bean skin
8. Fold the four corners together in the center, and finally put a pumpkin flavored kidney bean paste in the middle to decorate it. The kidney bean flour has little elasticity and is relatively Sandy. It should be patient and light in operation