Cooking Steps

1. 

   Step1:Add sugar 1 and yoghurt to salad oil and stir well. Add egg yolk in several times and stir well. Sift in low powder hand beater and stir wel

2. 

   Step2:Hard foaming of protei

3. 

   Step3:One third of the protein is put into the flour paste, cut and mix evenly. Pour in the remaining protein, cut and mix evenl

4. 

   Step4:Pour into the square cake pan. Shake twice and put into the oven for 160 ° 4050 minute

5. 

   Step5:Cool and release to oilpaper. Cake rol

6. 

   Step6:The rolled roll shall be wrapped with oil paper and put into the refrigerator for cold storage and finalizatio

7. 

   Step7:Finished produc