200g/7oz plain flour
125g/4陆oz dark brown sugar
2 tbsp golden caster sugar
1 tsp ground cinnamon
1 tsp ground ginger
70驳/2陆辞锄 icing sugar
fresh nutmeg, to taste
250g/9oz raisins
100驳/3陆辞锄 sultanas
walnuts, to garnish
125g/4陆oz unsalted butter, cold
125g/4陆oz unsalted butter, softened
200ml/7fl oz double cream
2 large free-range eggs, beaten
1 free-range egg yolk
15ml/1 tbsp smoky whisky