Ingredients

8 ounces (2 sticks) unsalted  butter, softened 

3/4 cup confectioners' sugar 

4 1/2 teaspoons pure vanilla extract 

2 cups all-purpose flour 

1 teaspoon salt 

Preparation

Put butter and sugar in the bowl of an electric mixer fitted with the paddle attachment. Mix on medium speed until pale andfluffy, about 3 minutes; mix in vanilla. Addthe flour and the salt, and mix on medium-low speed until just combined and crumbly,about 15 seconds (do not overmix). Pat the dough into a disk, and wrap in plastic.Refrigerate at least 1 hour and up to 2days, or freeze up to 1 month.