Spread soft butter with brush on ring cake form and dredge it with flour Get rid of exessive flour. Form should not have left out parts, as dough can easily stick and break there Preheat oven at 180°C Put chocolate into bowl and soften it by means of a double boiler

Seperate eggs Stir egg yolks together with icing sugar creamy Afterwards stir in lukewarm butter spoon by spoon Add vanilla sugar and five drops of lemon aroma Stir everything once more properly Tip: Eggs and fat should have same temperature and not be too cold, otherwise mass flocculates.

beat egg-white to stiff beaten egg-white add crystal sugar to beaten egg-white beat everything properly

mix baking powder with flour and salt interchangeably add milk and rum carefully fold in beaten egg-white with eggbeater

pour 2/3 of dough in prepared ring cake form

mix rest of dough with chocolate

Add chocolate mass by drawing fork in white dough. This way a beautiful marbling develops during baking.

Bake on middle bar for approx. 40-45 minutes Stick in fork or needle. If nothing sticks, then cake is ready.

Let Marble cake be a couple of minutes. A vapor coat develops between form and cake and therefore one can easly drop cake on prepared baking sheet later. Possibly remove border of dough with a knife.

besprinkle cake with icing sugar