- 25g/1oz cocoa powder
- 300g/10½oz icing sugar
- 50g/1žoz butter
- 50ml/2fl oz double cream
- Mix the cocoa and icing sugar in a bowl. Melt the butter for a few seconds in the microwave, or in a small pan over a low heat. Mix the melted butter and the cream into the sugar and cocoa, and stir until smooth.
- Use while smooth enough to spread, or thin with a little boiling water for a runnier icing.