Peel, wash and finely grate the carrots. Roughly chop the chocolate. Separate eggs. Beat egg yolks, 250 g sugar and vanillin sugar until fluffy. Beat the egg whites and salt until stiff, then pour in 50 g sugar. Sift flour and baking powder. Add ground nuts, semolina, lemon peel, cinnamon, carrots and chocolate to the egg yolk mixture. Then fold in the beaten egg white
Spread the dough on a greased fat pan (approx. 32 x 39 cm). Bake in the preheated oven (electric cooker: 200 °C / convection oven: 175 °C/ gas: level 3) for approx. 30 minutes. Let them cool down
Roast the hazelnut leaves without fat. Take out and let cool down. Mix icing sugar and lemon juice. Spread the cake with it. Sprinkle hazelnut leaves on top. Let the icing dry. Decorate with lemon balm. Tangerine cream tastes good with it