Coarsely chop the dark chocolate coating. Heat the cream, remove from the heat and melt the chocolate in it while stirring. Chill for about 2 hours.
Cream butter and sugar with the whisk of the hand mixer. Add the eggs one after the other. Mix flour and baking powder and alternately stir in milk. Put the dough into a greased springform pan (26 cm Ø) sprinkled with flour and smooth it down. Spread frozen raspberries on top. Bake the cake in a preheated oven (electric cooker: 175 °C/ convection oven: 150 °C/ gas: see manufacturer) for 30-35 minutes. Take out and let cool down. Remove the springform pan carefully
Briefly whip the chocolate cream (canache) with the whisk of the hand mixer and spread on the cake. Refrigerate for another 15-20 minutes
In the meantime, chop 150 g of white chocolate coating. Melt with coconut oil over a warm water bath. Let it cool down a little bit until it is viscous. Spread the icing quickly on the chocolate cream, make waves with a cake comb and let it set in a cool place for about 1 hour
For the chocolate curls, strip off 25 g each of white and milk chocolate couverture to curls with the economy peeler. Decorate the cake with them
waiting time approx. 2 1/4 hours