Cooking Steps

1. 

   Step1:To mix (oil, yolk, milk, sugar) with everythin

2. 

   Step2:Add 51 grams of flour and mix well

3. 

   Step3:Put it aside to make the protein par

4. 

   Step4:Beat egg white at low speed until foaming. Add vinegar and 10g suga

5. 

   Step5:After 30, gradually add sugar and stir at high speed.

6. 

   Step6:Hit the protein and stand u

7. 

   Step7:Pour the egg white into the yolk and stir well as long as it doesn't take too long to circle

8. 

   Step8:Put in the lower layer of the preheated oven 175 and bake for 40 minutes. In the last few minutes, watch the side of the oven. Don't adjust the temperature casually.