1. Wash the skewers and soak them in cold water for half a day
2. Rinse again, add unused water, bring to a boil on high heat, turn to medium heat and cook until the beans are ripe and soft
3. Mash or roll the cooked beans, add sugar
4. Squeeze into a ball for later use
5. Dilute the yeast with warm water and let stand for three minutes
6. Add flour, while adding, use chopsticks to stir into wet noodles
7. Knead it into a smooth dough, cover it with plastic wrap, and place it in a warm place to double the size, take it out and knead it evenly.
8. Divide into equal-sized noodles and roll them into thick bun skins
9. Bean paste stuffing packed into the group
10. Close the mouth and squeeze it down, flatten it with the palm of your hand, and roll it round
11. Cover with a damp cloth, the second hair will be fluffy and light
12. Spread it flat in a pan brushed with vegetable oil, cover with a lid, and bake until golden on both sides
