Cream fat, 125 g sugar and vanillin sugar. Stir in the eggs one after the other. Mix flour, cocoa and baking powder and stir in alternately with milk. Grease a springform pan (26 cm Ø) and dust with flour. Fill in the dough and smooth it down. Bake in the preheated oven (electric cooker: 175 °C/ convection oven: 150 °C/ gas: level 2) for 25-30 minutes.
Remove, remove from the rim and let cool. Soak gelatine in cold water. Mix 250 ml prosecco, quark, 200 g yoghurt and 100 g sugar. Squeeze the gelatine and dissolve in a small pot. Stir in 50 g yoghurt, then stir into the remaining cream. Chill the cream for about 20 minutes until it starts to gel. Whip the cream until stiff and fold into the cream. Place a cake ring around the cake base, then spread the cream on top. Chill the cake for 2-3 hours. After about 1 hour, wash the carambola and cut into thin slices. Place slices from the inside out on the cream.
Chill the cream for about 20 minutes until it starts to gel. Whip the cream until stiff and fold into the cream. Place a cake ring around the cake base, then spread the cream on top. Chill the cake for 2-3 hours. After about 1 hour, wash the carambola and cut into thin slices. Place slices from the inside out on the cream. Mix 250 ml Prosecco, 2 tablespoons sugar and cake glaze, then bring to the boil while stirring. Spread the icing immediately on the cake from the inside out and refrigerate again
4 hours waiting time