Serves 24
1/2 cup unsalted butter, softened
1 pound icing sugar
3 tablespoons unsweetened cocoa powder
1/4 cup milk
nuts, Optional
With electric mixer, beat butter until fluffy. Beat in the icing sugar and cocoa powder alternately with the milk until smooth and spreadable. (Add a little more milk, if needed.) Spread evenly over top of cake; garnish, if desired with finely-chopped nuts.
Nutrition (per serving): 114 calories Saturated fat 2 g Total Fat 4 g (32% of calories) Protein 0 g (1% of calories) Carbohydrates 19 g (68% of calories) Cholesterol 11 mg Sodium 7 mg Fiber 0 g Iron 0 mg Vitamin A 148 IU Vitamin C 0 mg Alcohol 0 g