Cream eggs, 250 g sugar and vanillin sugar with the whisk of the hand mixer. Stir in flour, baking powder, oil and 175 ml Prosecco. Grease the baking tray of the oven (32 x 39 cm). Put the dough on top and smooth it down. Bake in the preheated oven (electric range: 175 ° C/ circulating air: 150 °C/ gas: level 2) for approx. 25 minutes
Remove the cake from the oven and turn it over onto a tray. Remove the baking paper and let it cool down. Cut the plate in half crosswise and put it on 2 boards. Place a multi-folded aluminium foil strip around each board and fix it
Soak gelatine in cold water. Wash, clean and pat dry the strawberries. Cut 200 g into small cubes and 500 g into quarters. Puree remaining strawberries with 3 tbsp. sugar and juice of 1 lemon. Mix sour cream, quark, 100 g sugar, 200 ml prosecco and juice of 1 lemon. Squeeze out the gelatine, dissolve, stir in approx. 3 tbsp. cream, then stir into the remaining cream. Chill the cream until it begins to gel. Whip cream until stiff. Fold the strawberry cubes and cream into the cream. Spread half of the cream on each base and smooth it down. Chill for about 1 hour.
Spread half the strawberry quarters on each slice, pour the puree over them and decorate with chocolate rolls
waiting time approx. 1 1/2 hours