How to cook
Beat the cream with the sugar. To it add the sour cream and stir with a spatula. In a suitable platter, place a cake layer.
Syrup it and smear it with part of the cream. Sprinkle with a part of the fruits. Place a 2nd cake layer, cream again, fruits and finish off with a cake layer.
Stir until it dissolves. Leave it to cool and pour it over the cake. Decorate with fruits and rosettes made of cream.