Cooking Steps

1. 

   Step1:Separating yolk and protei

2. 

   Step2:Whisk the yolk. Add 10g sugar. Mix well.

3. 

   Step3:Add milk, corn oil, and then mix

4. 

   Step4:Half of the mixed yolk paste and cocoa powde

5. 

   Step5:Add a few drops of lemon and a little salt (or no salt) to the egg whites. Add sugar for three times to beat. Beat for 5 seconds at a low level first, and then at a high level until the egg beater is lifted. You can see the small upright sharp corner.

6. 

   Step6:Whisk the egg white cream and two kinds of yolk batters separately and mix well.

7. 

   Step7:Pour two kinds of batters into the 8-inch mold alternately. Shake twice on the tabl

8. 

   Step8:Preheat the oven. Bake at 150 ℃ for 60 minutes.

9. 

   Step9:After baking, back button the mold, cool it and demould it.