Cooking Steps

1. 

   Step1:Separate the egg white and yolk. Beat the egg white until hard foaming. Add sugar three times during the beatin

2. 

   Step2:Mix the yolk with the vegetable oil and milk. Sift in the low powder. Stir wel

3. 

   Step3:Put one third of the protein into the egg yolk paste and mix well with the method of turning. Then pour back the protein and mix well.

4. 

   Step4:Oven 120 degrees for 12 minutes.