Ingredients
3 1/2 cups confectioners' sugar
1 cup unsweetened cocoa powder
12 tablespoons (1 1/2 sticks) unsalted butter, softened
1/2 cup milk, room temperature
2 teaspoons pure vanilla extract
Preparation
Sift sugar and cocoa together in a medium bowl. Whisk in butter, milk, and vanilla until smooth. Use immediately.