Prepare a batter from the ingredients and spread on a baking tray lined with baking paper.
Beat the egg whites with sugar until stiff, spread on the dough and sprinkle with almond flakes.
Bake at 160 °C until light.
Whip the cream with vanilla sugar.
When cooled, cut the dough in half, spread the whipped cream on one half and place the other half on top.