Accessories: sugar 10g, baking powder 2.5g, warm water 250g.

Steps:

1. Add sugar and baking powder to the flour.

2. Add warm water and knead into dough.

3. Fermentation is completed after two hours.

4. Knead the exhaust and make square steamed bread.

5. Put some oil on the bottom of steamed bread and put it on the grate.

6. When everything is ready, wake up naturally 15 minutes, and steam over high fire.