Scottish Shortbread Ingredients: 2 cups butter, softened 1 cup packed brown sugar 4 to 4½ cups all-purpose flour Directions: Preheat the oven to 325°F (163°C). In a large mixing bowl, cream together the softened butter and brown sugar until the mixture is light and fluffy. This should take about 5 to 7 minutes using a hand mixer or stand mixer. Gradually add 3¾ cups of all-purpose flour to the butter mixture and mix well until a dough forms. Turn the dough out onto a lightly floured surface. Kne