materials? Medium gluten flour 1 g yeast 15 g warm water < P > How to make a novice steamed bread?

two small bags of yeast powder, about 1g, can be mixed with 5g of flour, and three bags of

warm water are selected and mixed evenly for later use

appropriate amount of warm water is added, and about 75g of flour is mixed evenly, and after the first leavening

after the first leavening, about 25g of flour is added and kneaded continuously, until the dough is firm, waiting for the second leavening <