List Of Chocolate Sheet Cake Icing References. In a saucepan, mix the butter, water and cocoa powder. Web freeze the chocolate sheet cake without the mocha frosting sauce for up to 3 months.

Web for the chocolate sheet cake frosting add milk, cocoa and butter to a saucepan. Two spices add an extra element to this mexican chocolate cake. Whisk mixture gently until smooth then set aside to cool.