1, dig a hole in the middle of the flour and bury it in yeast, then cover the flour and add sugar and mix well. While kneading, slowly add water, move to the kneading pad and knead slowly until the dough is smooth.
2. Divide the dough into equal doses, take a small dose, and roll it with a rolling pin into a dough sheet with a thick middle and thin sides.
3. Add a sesame filling.
4. Wrap it in buns.
5. Put in a steamer, ferment to twice the size, and steam for 18 ~ 20 minutes. After you finish, wait 3 ~ 5 minutes before opening the lid.
6. If you can't finish eating, you can freeze it in a sealed bag.