Yuck, we hated this! Hubby wouldn't even eat it!
1/3 cup cocoa powder
3/4 cup sugar
3/4 cup half and half
2 cups buttermilk
1 tsp vanilla extract
In a saucepan, combine cocoa powder and sugar, stir until blended. Add half and half and cook over medium heat until smooth. Add buttermilk and vanilla, stirring until combined. Set aside to cool and chill in fridge until cool. Cook according to manufacturer's direction.