Chop 250 g chocolate coating and melt over a warm water bath. Leave to cool slightly. Coarsely chop the nuts, except for a few for decoration. Mix oil, sugar, vanilla sugar and salt with the whisk of the hand mixer. Stir in the eggs one by one. Beat until the sugar is dissolved. Stir in sour cream and chocolate coating.
Mix flour and baking powder. Fold in together with the nuts. Grease a springform pan (26 cm Ø). Add the dough and smooth it down. Bake in the preheated oven (electric cooker: 175 °C/ convection oven: 150 °C/ gas: level 2) for 60-70 minutes. Cover the cake after about 45 minutes if necessary. Let them cool down. Chop 150 g chocolate coating. Pour into a pot with cream and coconut oil. Heat over a warm water bath until the chocolate coating has melted. Stir the icing until smooth. Remove the cake from the mould and place on a cake rack. Cover the cake with the chocolate icing.
Let them cool down. Chop 150 g chocolate coating. Pour into a pot with cream and coconut oil. Heat over a warm water bath until the chocolate coating has melted. Stir the icing until smooth. Remove the cake from the mould and place on a cake rack. Cover the cake with the chocolate icing. Chill for 30 minutes. Chop the white couverture, melt carefully over a warm water bath. Pour into a disposable piping bag and cut off a small tip. Sprinkle the cake with the white chocolate coating on the edge. Spread the nuts set aside on the edge. Let dry
Chill for 30 minutes. Chop the white couverture, melt carefully over a warm water bath. Pour into a disposable piping bag and cut off a small tip. Sprinkle the cake with the white chocolate coating on the edge. Spread the nuts set aside on the edge. Let dry
3 hours waiting time