100g (3.5 oz) dark chocolate (about 70% cocoa solids) chopped or broken up
175ml(6fl oz) single cream
1tbsp icing sugar
Dissolve the coffee granules or powder in the boiling water in a small pan (off the heat), then allow time to cool until warm.
Add the chocolate pieces, cream and icing sugar. Warm gently- on the lowest heat-stirring frequently, until the chocolate has melted and the sauce is smooth and hot. Do not let the sauce come to the boil.