Cocoa sponge cake
375g cocoa sponge cake mix
225g eggs
100ml water
Syrup
200ml water
1 tsp sugar
2 tsp rum flavouring/spirit
Hazelnut crumble
500g roasted chopped hazelnuts
Halva mousse
1,500g full-fat cream (33% fat)
200g halva flavour ice cream paste
350g neutral stabiliser
100g spirit
200ml water
Icing
1 tsp cocoa powder
150g Ascanio mirror glaze