Mix the ingredients for the base into a dough and spread it on a baking tray. Bake at 160 ° for approx. 20 minutes, test with a wooden stick. To let it cool down.
Spread the peach wedges on the cold dough, whip the cream with the vanilla sugar and cream stiffener, fold in the sour cream and spread everything on the peaches.
Mix the passion fruit juice with the vanilla sauce and finally spread it on the cake.