Cooking Steps

1. 

   Step1:Prepare material

2. 

   Step2:Add milk (I used water) and sunflower oil to the yolk. Mix wel

3. 

   Step3:Sift in low gluten flou

4. 

   Step4:Add white vinegar and sugar to the egg white and beat for 8 point

5. 

   Step5:Take one third of the protein and add it to the batter before mixing. Mix wel

6. 

   Step6:Mix the batter into the egg white. Mix wel

7. 

   Step7:Pour into baking tray. 150 ℃ for 30mi

8. 

   Step8:In isothermal state. Roll into a cake rol