Grease a springform pan (26 cm Ø). Coarsely grate brown bread on a household grater
Wash and drain the currants. Separate eggs. Beat egg yolks, sugar and 4 tbsp. lukewarm water until frothy. Stir in spices, 150 g bread and 65 g ground nuts. Mix flour, baking powder and cocoa. Alternately stir in cream. Fold in currants. Beat the egg white until stiff, fold in
Spread the dough into the mould. Bake in the preheated oven (electric range: 175 °C / convection oven: 150 °C / gas: level 2) for approx. 1 hour. Let it cool down
Cut through the base 2 x horizontally. Spread 2 bases first with 3 heaped tablespoons of jam each, then with 100 g of sour cream each. Place both bases on top of each other and finish with the last base
Roast 2 tablespoons of ground nuts and the rest of the bread without fat, let it cool down. Sprinkle the cake shortly before serving and decorate with the rest of sour cream, jam and nuts