Baci cake!
Crush in a processor one packet of plain biscuits (morning coffee or similar), 100g hazelnuts, 100g almonds; add 4 tbs cocoa powder and 2 tbs drinking chocolate. Add 150g sugar (about a cup); 50g melted butter, some vanilla essence. Whisk 3 egg whites till stiff and fold in mixture. Line a dish with rice paper and pile mixture on top; bake in a preheated oven (fan electric 150/gas 170) for about twenty minutes or until an inserted knife comes out clean.
Topping: Melt in the microwave 100g dark chocolate covering, 50g margerine; beat well and add the 3 egg yolks and 3 tbs brandy. Pour topping on cooked cake and leave in the oven for about 5 minutes than switch off and leave for about 15 mins. Cut into squares when cool.