1. Soak the white kidney beans in advance and peel off the skin
2. Put it in a pot to cook or pressure cooker
3. Cook until you can pinch it with your hands and it will become soft
4. Put it in the food processor and add some water to boil the kidney beans
5. Beaten into juice
6. And then sieved to be more delicate
7. add some oil
8. Add milk powder and cooked flour and stir well
9. Stir-fry until the moisture is dry
10. Stir-fry after adding maltose
11. Stir fry until you can make small rounds
12. Plate.
Tips:The white kidney beans need to be peeled and boiled until they become soft and pureed. They must be sieved. Maltose can't be fried with sugar.
