100 g (4 oz) caster sugar
6 eggs, separated
5 cm (2 in) vanilla pod, split
100 g (4 oz) unpeeled, ground hazelnuts
50 g (2 oz) toasted breadcrumbs
Chocolate sponge
85 g (3 1/2 oz) caster sugar
5 eggs, separated
85 g (3 1/2 oz) unpeeled, ground hazelnuts
100 g (4 oz) dark, dessert chocolate, melted and cooled
25 g (1 oz) toasted breadcrumbs
Chocolate filling
140 g (5 oz) unsalted butter
140 g (5 oz) icing sugar, sifted
130 g (4 1/2 oz) dark dessert chocolate, melted and cooled
45 ml (3 tbsp) dark rum or Tia Maria
Pistachio and almond filling
100 g (4 oz) unsalted butter
100 g (4 oz) icing sugar, sifted
2.5 cm (1 in) vanilla pod, split
130 g (4 1/2 oz) pistachios, ground
130 g (4 1/2 oz) ground almonds
45 ml (3 tbsp) apricot jam
1 1/2 portions Thick Chocolate Icing