Step1:Separate the yolk from the egg white. Add the yolk to the milk and stir. Then add the salad oil and stir.
Step2:Add the yolk to the sifted flour and mix well.
Step3:Drop a few drops of lemon juice into the egg white. Add sugar in three times and beat to the sharp corner.
Step4:Add a third of the protein to the yolk and stir well.
Step5:Pour the yolk into the remaining egg white. Stir well.
Step6:Pour in the mould and vibrate the air twice. Preheat the oven ten minutes in advance. Bake at 150 ℃ for 50 minutes.
Step7:Release after cooling.
Cooking tips:There are skills in making delicious dishes.