1. 1500 grams of flour.
2. Make a smooth dough and leave it in a warm place for proofing.
3. A large bowl of boiled red beans, two pieces of cooked sweet potatoes, proper amount of pitted cooked dates, and evenly.
4. Appropriate amount of soft white sugar.
5. The mixed sweet potato and red bean filling.
6. Take an appropriate amount of noodles, vent and knead.
7. Roll out into a round piece of about 0.8 cm.
8. Cut the bun skins with a mold.
9. Take a bun wrapper and put an appropriate amount of stuffing on it.
10. Wrap into a willow leaf bag.
11. Steam on medium heat for 25 minutes.
12. Turn off the heat and simmer for four or five minutes. Open the lid carefully.
13. Finished product.
14. Finished product.
