Clean, wash and drain the sour cherries well. Stone the cherries and let them drain on kitchen paper. Roughly chop the chocolate. Finely dice marzipan
Put the butter, marzipan, sugar, salt and vanilla sugar in a bowl and whisk until creamy. Stir in eggs one at a time
Mix flour and baking powder. Add by the spoonful and stir in. Stir in 100 g chocolate. Fold in cherries in portions. Pour into a greased, flour-spread pan (2 1/4 litres capacity). Smooth out
Bake in the preheated oven (electric cooker: 175 °C/ convection oven: 150 °C/ gas: see manufacturer) for approx. 50 minutes. Remove from the oven, place on a cake rack and let cool for about 40 minutes. Carefully turn out of the tin and let it cool down
Warm the cream and fat in a small pot. Remove from the heat, add 100 g chocolate and dissolve in it while stirring. Let it cool down for about 15 minutes. Add a tablespoon to the cake. Leave to rise. In the meantime, wash the sweet cherries (if possible, in such a way that the stems are preserved). Carefully rub dry. Carefully place in the dressed icing. Leave to dry
waiting time approx. 4 hours