200g/7oz plain flour, plus extra for dusting
1 tbsp plain flour
50驳/1戮辞锄 caster sugar
200g/7oz caster sugar
icing sugar, to decorate
pinch of salt
230g/8oz walnuts, plus extra to decorate
65驳/2录辞锄 amaretti biscuits, roughly crushed
75g/2陆oz dark chocolate, grated
100驳/3陆辞锄 butter, chilled, cut into small pieces
50驳/1戮辞锄 butter, melted
3 free-range eggs
2 free-range egg yolks
mascarpone, to serve
1 tbsp instant coffee powder, dissolved in a little hot water
50ml/2fl oz almond liqueur