Scale all the ingredients carefully

Separate the egg yolks from the egg whites

The mixture should be foamy

To the whisked egg white and the egg yolks and whisk again

Add in the sugar to the mixture and whisk again

The mixture should form bubbles on the top surface

Add in the sieved flour and baking powder to the egg-mixture

Fold in carefully, maintaining the direction of folding

Fold in until it forms a soft batter of an appropriate consistence

Pour the batter into the well greased baking tin

Bake it in a preheated oven at 180° for 40minutes

Garnish with grated white chocolate and serve