1/2 cup sugar
1/4 cup water
1 teaspoon cocoa powder
100gm dark chocolate (about 80%)
150gm soft butter
Combine sugar, water and cocoa powder in a small saucepan and bring to a boil, then remove from heat. Add chocolate and butter and mix (or whisk) until completely melted and you have a creamy mixture. Pour into a bowl or a small container and let cool. The spread will become thicker while cooling.