Cream butter, vanillin sugar and 90 g sugar with the whisk of the hand mixer. Stir in the egg. Mix flour and baking powder and stir in. Stir in sour cream, carefully fold in 75 g cranberries. Grease glasses and fill half of them with dough, then close them tightly. Bake in the preheated oven (electric cooker: 175 °C/ convection oven: 150 °C/ gas: level 2) for 20-25 minutes.
Take the cake out of the oven and remove the lid, if it is not to be stored for a long time. Let the cake cool down on a cake rack. Cream sour cream, 20 g sugar and juice for about 5 minutes with the whisks of the hand mixer. Fold in 25 g cranberries. Serve the cake with the cranberry sour cream and decorate with sugar decoration
Waiting time approx. 1 hour