Although the steps are a little tedious, they still have a sense of achievement.

Step1:Separate the egg yolk from the chicken protein. Make sure that the egg white does not touch any oil, water or yolk.

Step2:Add white granulated sugar to the protein in three times and beat until it is wet foaming.

Step3:Egg yolk with oil. Mix wel

Step4:Add in the milk and stir well.

Step5:Sift in cocoa powder and low powder. Mix well.

Step6:Add one-third of the protein into the yolk paste. Mix well. Then pour all the protein into two-thirds of the egg mixture and mix well.

Step7:Pour into baking tray. Preheat at 180 ℃. Heat up and down. Middle layer. 2025 minute

Step8:To make cocoa cream filling, whisk the sugar, cocoa powder and cream until they are papered. Spread them on the cake, roll them up and refrigerate for 30 minutes.

Step9:Making chocolate ganache - heat the cream and chocolate in a milk pot until the chocolate melts. Put it in a warm place. Decorate the cake roll.

Step10:When the Chocolate Ganache is about to cool down, cut out the bark with a fork, put on some decorations, and finally spread a layer of icing.
Cooking tips:There are skills in making delicious dishes.