125²µ/4Β½΄Η³ϊ caster sugar
2 tbsp cocoa powder, plus 1 tsp for dusting
75²µ/2Β½΄Η³ϊ ground almonds
4 amaretti biscuits, crumbled
100²µ/3Β½΄Η³ϊ dark chocolate, 70% cocoa solids, roughly chopped
100²µ/3Β½΄Η³ϊ unsalted butter, softened and cut into cubes, plus extra for greasing
250ml/9fl oz double cream
4 large free-range eggs, at room temperature
3 tbsp amaretto liqueur
1 tbsp amaretto liqueur