Cooking Steps

1. 

   Step1:1. Separate the egg white and yolk, and put them into oil-free and salt free basins respectivel

2. 

   Step2:Add 20 grams of sugar to the yolk. Stir well. Let the sugar melt full

3. 

   Step3:Add salad oil three times into the yolk. Stir wel

4. 

   Step4:Add milk to the yolk. Stir well.

5. 

   Step5:Add low gluten flour into the yolk three times. Stir well. No glute

6. 

   Step6:Add a few drops of white vinegar to the protein. Stir with electric mixer. Until foam appears

7. 

   Step7:Add the remaining sugar in three times. Whisk with electric mixer at high speed. Until the protein is white and cream

8. 

   Step8:Add the protein to the yolk three times. Stir wel

9. 

   Step9:Pour the mixed batter into the baking tray covered with oil paper. Heat it up and down at 150 degrees. Bake for 45 minutes

10. 

    Step10:When the cake has surplus heat, roll it up.

11. 

    Step11:Roll up while it's ho

12. 

    Step12:Succes