Cooking Steps

1. 

   Step1:Butter softened and beaten smoothl

2. 

   Step2:Add sugar powder in several times and beat until the color is white and puffy

3. 

   Step3:Add lemon peel and vanilla extract and mix well

4. 

   Step4:Add the egg liquid 34 times. After each addition, beat it well and add the next time

5. 

   Step5:Sift in the mixture of low powder and foam powder

6. 

   Step6:Use a rubber scraper to start mixing from the center. Then press a circle of flour into the middle. Mix the batter until it is smooth

7. 

   Step7:Spread the oil paper on the mold. Pour the batter in. Shake it for several times. Bake it in the oven at 170 ℃ for about 50 minutes. Cover the tin paper if the surface is too deep.