Ingredients

2 sticks (8 ounces) unsalted butter, softened 

12 ounces cream cheese (not whipped), room temperature 

1 pound confectioners' sugar 

3/4 teaspoon pure vanilla extract 

Preparation

Put butter and cream cheese in the bowl of an electric mixer. Beat on medium-high speed until fluffy, 2 to 3 minutes. Reduce speed to low. Add sugar and vanilla; mix until smooth.