Step 1: Pour the prepared medium gluten flour and yeast powder into a bowl, add a proper amount of warm water, the warm water should be controlled at about 40 degrees, then stir with chopsticks while pouring water, stir the flour into a flocculent shape, knead it into a smooth dough, put it into a bowl, poke a small hole in the middle, and cover it with plastic wrap to wake it up for one hour.

Step 2: After the dough is proofed, sprinkle a layer of dry flour on the chopping board, take out the dough, knead the air inside, divide it into small dough with uniform size, wrap the stuffing prepared in advance into the dough, make it into the shape of buns, put it on the chopping board, and proofe it again 10 minute.

Step 3: Finally, add a proper amount of water and salt into the pot, put the steamed bread in the steamer, cover it, boil it with high fire first, and then steam it for about 30 minutes. At this time, turn off the fire first, do not open the lid, stew with the remaining temperature of the pot for 5 minutes, and then open the lid, so that the steamed stuffed bun will be very fragrant and soft and will not collapse.