To prepare Sophie Grigson's focaccia a la libro recipe, you'll need: 1 pound pistachios 2 tablespoons olive oil 1 teaspoon kosher salt 1 tablespoon thyme 2 teaspoons paprika Instructions: Preheat the oven to 450 degrees F. Grease and flour 2 large baking sheets. Set aside. In the bowl of an electric mixer, cream the butter with the sugar until light and fluffy. Gradually add the flour mixture and mix until the mixture resembles coarse breadcrumbs. Add the salt and pepper to taste. Beat the egg whites until stiff peaks form. Fold in the sour cream and vanilla. Pour the batter into the baking sheet and bake for 20 to 25 minutes or until golden brown. Remove from oven and allow to cool. Serve warm.