Beat the eggs, sugar, vanillin sugar and salt until very frothy. Mix flour and baking powder. Stir in with oil and lemonade
Spread the dough on a greased baking tray (approx. 35 x 40 cm). Bake in the preheated oven (electric cooker: 175 °C / convection oven: 150 °C/ gas: level 2) for 25-30 minutes. Let them cool down
Drain the apricots and mandarins. Cut the apricots into slices. Sort the raspberries. Wash and stone the cherries. Wash, clean and halve the strawberries
Heat the jelly, spread a thin layer of about a third of it on the base. Cover with the fruits, except for a few for decoration. Drizzle the rest of the jelly over it. Put the cake in a cool place for about 1 hour
Whip the cream and crème fraîche in a mixing bowl until stiff. Cut the cake into pieces. Decorate with cream and the remaining fruit