500g of flour, yeast powder10g, alkali 0.5g, cream or butter10g, 20g of milk powder, appropriate amount of sugar (according to the desired sweetness) and 250g of warm water, and put them together in a warm place for about 30 minutes. When it starts to swell, add a little baking powder to the dough table and knead it repeatedly. Pick up a piece of medicine, stretch it, and then twist it like a twist. When the hand is not loose, squeeze it in the middle to form a flower roll. Put it in a warm place (do not blow) and wake up for about 5 minutes. When it is slightly elastic, it can be steamed, and it should be steamed in one breath.