Brown butter sumac shortbread
Brown the butter until it smells like toffee, then let it cool before it meets the sugar. Sumac keeps the richness bright.
- 1 cup (2 sticks) unsalted butter
- ½ cup granulated sugar
- 2 cups all-purpose flour
- ½ teaspoon fine salt
- 1½ teaspoons ground sumac
- 2 tablespoons demerara sugar
Brown the butter in a light pan over medium heat, then pour into a bowl and chill until just firm, about 1 hour. Beat with the sugar until pale. Add the flour, salt and 1 teaspoon of the sumac and mix until it just holds. Press into an 8-inch pan, sprinkle with the demerara and remaining sumac, and bake at 325°F for 30 to 35 minutes, until golden at the edges.