1. Prepare the above materials, add 5g yeast into 50ml warm water to melt, and add brown sugar into the remaining 150ml warm water to melt. Pure milk can be boiled in winter.

2. Pour the yeast water into the coarse cereal powder, add a small amount of black sugar water and warm milk several times, and stir with chopsticks to form a flocculent, without dry powder.

3. Knead the flocculent flour into dough by hand, showing a three-light state.

4. Put the dough on the kneading mat and knead it into a long dough.

5. Divide the kneaded strip dough into 10 parts, each part is about 85g, and cover it with plastic wrap.

6, each dose continue to knead for a while, in a round shape, all put the lid of the steamer, put it in a warm place for fermentation.

7, fermentation to 2 times the size, about 1 hour. Put cold water in the pot, steam over medium heat, steam for 15 minutes after boiling, turn off the fire for 3 minutes after steaming, and then open the lid.