1, prepare two clean basins, which must be dry, without water or oil; Prepare three eggs; One egg beater, flour150g.

2. Separate the egg whites and egg yolks, put them in two pots, break the egg yolks, add milk 100 ml and stir well.

3. Pour in 1 50g flour and1g yeast powder, and continue to stir evenly. Beat the egg whites until creamy. Add white sugar twice, 5g at a time, and add more white sugar if you like sweet food. Just wait until the eggbeater has a sharp point when it is picked up.

4. Pour the egg yolk paste into the cream, stir it up and down evenly, gently stir it, add some water to the steamer, boil it over high fire, then put the cake paste in, cover it with a big plate, and steam it with a lid.

5, 30 minutes after turning off the fire, simmer for ten minutes, and steam the cake.