Cream the fat with the whisk of the hand mixer. Gradually add the sugar, 1 sachet of vanilla sugar and butter-vanilla flavouring and mix. Stir in the eggs one by one.
Mix flour and baking powder, stir alternately with the milk into the butter-egg mixture. Grease the pancake tin (2 litres capacity) and sprinkle with breadcrumbs. Fill 2/3 of the dough into the pan.
Mix the mocha with 3 tablespoons of boiling water and mix it into the remaining dough, also put it into the mould and fold it in spirally with the help of a fork. Bake in the preheated oven (electric: 175 °C/ gas: level 2) for 60-70 minutes.
Let the cake cool, then fall. Whip the whipped cream, pour in the remaining vanillin sugar and whip until stiff. Dust the cake with icing sugar and decorate with cream and mocha beans.
Dust with cocoa. Results in about 20 pieces.