After the lactone tofu is broken, add sugar and stir well. Add egg yolk, stir well, add sunflower oil and mix well. Sieve low powder and mix well.
The sugar is added to the protein three times, and it is sent to the hard. The protein paste is mixed into the egg yolk paste three times to form a cake paste.
Pour the cake paste into the mold and shake it a few times.
The oven is preheated, 180 degrees, the lower layer, up and down fire, 30 minutes, immediately deducted from the furnace, completely demoulded and demoulded