Ingredients

1 1/2 sticks unsalted butter, softened 

1 pound (3 2/3 cups) confectioners' sugar 

1 to 2 tablespoons milk (optional) 

Preparation

In a mixing bowl, cream butter until smooth.

Gradually add confectioners’ sugar; beat until smooth. If too thick to spread, beat in 1 to 2 tablespoons milk.