For the dough, beat soft fat, sugar, vanillin sugar and salt until creamy. Stir in the eggs one by one. Mix flour and baking powder. Stir the milk into the fatty egg mixture
Spread the dough on a greased and breadcrumbed baking tray (approx. 39x34 cm). Bake in the preheated oven (electric cooker: 200 °C/ convection oven: 175 ° C/ gas: level 3) for approx. 20 minutes and let cool down
Drain the apricots and collect the juice. Whip the cream until stiff. Fill up apricot juice with cold water to 200 ml liquid. Mix the cake cream powder with the whisk of the hand mixer for about 1/2 minute. Stir in the quark in portions. Then fold in the cream
Spread the cream on the floor. Select the blackberries and raspberries. Strip the currants from the panicles. Cut the apricots into slices. Spread the fruits on the cream. Chill for about 3 hours.