Boil the espresso and let it cool down. Mix the quark, yoghurt and sugar and stir with a whisk until creamy.
Place the ladyfingers in an approx. 20 x 20 cm form. Drizzle with espresso (or dip briefly). Place approx. 3 large spoons of quark and yoghurt mixture on top of the biscuits. Layer alternately.
Let it steep for at least 4 hours, preferably overnight. Sprinkle with cocoa powder before serving.
This variant coincides somewhat. If you don`t like it, you can add an egg. To do this, separate 4 eggs and beat the egg whites to a firm egg white. Beat the egg yolks with the sugar and add to the quark yoghurt mixture.