Cut toffees in half. Roughly chop the chocolate and carefully melt it over a warm water bath, let it cool down. Whisk fat, salt, sugar and vanilla sugar white-creamy with the whisk of the hand mixer. Stir in the eggs one after the other. Stir in melted chocolate. Mix flour, baking powder and cocoa, alternately stir in 100 g cream. Fold in 50 g halved toffees. Fill the dough into a greased springform pan (20 cm Ø), dust with flour and smooth it down. Bake in the preheated oven (electric cooker: 175 °C/ convection oven: 150 °C/ gas: level 2) for 40-45 minutes. Remove the cake from the tin and let it cool down. For the icing, melt the remaining toffees in 30 g cream. Spread the marshmallows and icing on the cake
Tip: To cut the cake better, pull the knife lightly through a piece of butter before each cut
Waiting time approx. 1 hour