For the almond crumbs, mix 50 g butter with 4 tablespoons sugar and almonds until crumbly. Sort the berries, wash and drain if necessary. Grease baking tray, dust with flour. Preheat the oven (electric cooker: 200 °C/circulating air: 175 °C/gas: s.
For the dough mix 400 g flour with the baking powder. Mix the eggs with 200 g sugar and vanilla sugar, 200 g very soft butter and yoghurt. Quickly stir in the flour mixture. Smooth the dough on the baking tray.
Spread the berries over it. Bake in a hot oven for about 25 minutes. About 5 minutes before the end of the baking time, spread almond crumbs on the cake and continue baking. Remove the cake and let it cool down, cut into pieces.