Foam the four yolks with 10 dag of sugar. Add 4 dag flour, 5 dag ground nuts, and snow from 4 eggs. Put the prepared dough on a tray lined with baking paper. Bake for 8 to 10 minutes at 200 degrees Celsius. Cool the baked dough, sprinkle with sugar, drizzle with vanilla pudding. Put the peeled banana on the pudding and roll.