Scottish Shortbread Cookies
10 tablespoons unsalted butter unsalted butter, at room temperature 142g
1/2 cup confectioners’ sugar
1/2 teaspoon pure vanilla extract
1 1/2 cups all-purpose flour 180g
1/2 teaspoon kosher salt optional
In a stand mixer fitted with a paddle attachment, beat butter and vanilla extract until creamed.
Add confectioners’ sugar and salt; mix until combined.
Scrape bowl down and add flour while beating on low. Scrape bowl once more and mix until combined.
Shape the dough into a rectangular prism, wrap in plastic and chill until firm. At least an hour.
Preheat oven to 350F (177C). Use a sharp knife to cut 1/2-inch-thick slices
Place slices spaced at least an inch apart onto a baking sheet lined with a silicone mat or parchment paper.
Use a fork or skewer to indent a pattern onto the top.
Bake for about 10 minutes, rotating baking sheet in the oven halfway through.
Transfer to a wire sheet to cool.
Can be made a week in advance they keep well in the refrigerator or a month in the freezer.