Strawberry and chocolate ganache roulade Serves: 8-10 Ingredients 150g strawberries and extra for decoration (we used Viva!) 4 eggs, separated 2 heaped tbsp cocoa powder and extra for dusting 100g unrefined caster sugar pinch of cream of tartar For ganache and decoration 250g plain chocolate, broken up 15g butter, softened 380ml double cream icing sugar