Ingredients
8 tablespoons (1 stick) unsalted butter, room temperature
1/4 cup sugar
1 large egg yolk
1 teaspoon pure vanilla extract
3/4 cup all-purpose flour
Pinch of salt
Preparation
Put butter and sugar in the bowl of an electric mixer fitted with the paddle attachment; cream on medium speed until pale and fluffy, 3 to 4 minutes. Mix in egg yolk and vanilla. Add flour and salt; mix just until a dough forms.
Shape dough into a disk, and wrap in plastic wrap; refrigerate at least 30 minutes or up to 1 day.
