- 4 cups confectioners' sugar
- 1/2 cup unsweetened cocoa powder
- 1/4 cup milk
- 1/2 cup butter
- 2 teaspoons vanilla extract
- Grease a 9×9 inch dish.
- In a microwave safe bowl, stir together confectioners' sugar and cocoa. Pour milk over mixture and place butter in bowl. Do not mix. Microwave until butter is melted, 2 minutes. Stir in vanilla and stir vigorously until smooth. Pour into prepared dish.
- Chill in freezer 10 minutes before cutting into squares.