Grease a springform pan (26 cm Ø) and dust with flour. Preheat the oven (electric cooker: 175 °C/circulating air: 150 °C/gas: level 2). Roughly chop 200 g chocolate. Cream 125 g butter, 125 g sugar, 1 vanilla sugar and 1 pinch of salt.
Stir in the eggs one by one. Mix 175 g flour and baking powder, stir in briefly with the milk. Finally, stir in chopped chocolate. Smooth the dough in the form. Bake in a hot oven for 25-35 minutes.
Let the cake cool down in the mould, then remove from the mould.
For the cherry compote, drain the cherries and collect the juice. Stir the starch and 6 tbsp. cherry juice until smooth. Boil up the rest of the juice, 2 tbsp. sugar and cinnamon stick. Stir in the starch and mix in at least
Cook for 1 minute while stirring. Remove the cinnamon stick and fold in the cherries. Leave to cool a little.
Hollow out the bottom of the cake, except for an approx. 2 cm thick base and an approx. 1.5 cm wide edge. Put the cake crumbs aside. Place the base on a cake plate. Place compote on top. Leave to cool completely.
Whip cream and 1 vanilla sugar until stiff. Fold the cake crumbs into the cream and spread dome-shaped on the stewed cherries. Chill for at least 2 hours.
For the chocolate rolls, peel thick curls from the rest of the chocolate with a peeler, spread them over the cream and press them down lightly if necessary. Dust with cocoa.