Line the bottom of a springform pan (26 cm Ø) with baking paper. Separate the eggs. Beat the egg whites and 1 tbsp. cold water until stiff, adding 75 g sugar and 1 packet of vanilla sugar. Beat the egg yolks separately into the mixture. Sift flour, starch and baking powder into the mixture and fold in
Paint into the mould. Bake in a hot oven (electric cooker: 175 °C/ convection oven: 150 °C/gas: level 2) for approx. 25 minutes. Cooling down
Soak gelatine in cold water. Briefly mix quark, mascarpone, liqueur, 50 g sugar and 1 sachet of vanillin sugar. Squeeze the gelatine and dissolve over a mild heat. Stir in 2 tablespoons of quark cream, then stir into the rest of the cream. Chill for about 15 minutes until it starts to gel. Whip 250 g cream until stiff, fold into the cream
Cut the cake base 1 x horizontally. Close the edge of the springform pan around the bottom cake base. Spread the quark cream on top. Place the 2nd cake base on top. Chill for about 2 hours.
Whip 300 g cream until stiff. Spread the cake with it in a wavy pattern. Sprinkle the cake edge with chocolate rolls. Decorate the cake with crispy chips, cocoa, mint and orange slices