Chocolate, chestnut and orange cake

Ingredients

For the cake
400g peeled chestnuts
125 caster sugar
125g chocolate
(min 70% cocoa solids)
100g butter

For the icing
125g chocolate
(min 70% cocoa solids)
15g butter
15ml fresh orange juice
15ml grated orange rind

Instructions

Cake
1 Place the peeled chestnuts and sugar in a food processor and whizz until smooth.
2 Cut the chocolate and butter into small pieces and melt in a large saucepan.
3 Add the chestnut and sugar paste to the chocolate and mix until smooth.
4 Turn into a greased cake tin and chill in the fridge overnight.

Icing
1 To make the icing, melt the chocolate with the butter, orange juice and rind and stir until smooth.
2 Spread over the cake and leave to set in the fridge.
3 Cut into slices before serving.