Dietary guidance: v
4 cups powdered sugar
1/2 cup cocoa
1/4 cup milk
1 T vanilla
1/2 cup solid margarine or butter
1/2 cup nuts (optional)
Mix powdered sugar, cocoa, milk and vanilla. Top with butter.
Microwave on high for 2 minutes. Stir in nuts, if desired.
Chill in the fridge until soild.