Brown Sugar Shortbread

From Southern Living.

• Ready In: 20 mins
• Yields: 18 cookies

Ingredients

• 1  cup butter, softened
• 1⁄2 cup  firmly packed dark brown sugar
• 2  cups all-purpose flour
• 2 -3  tablespoons  white  decorator sugar

Directions

1. Beat butter at medium speed with an electric mixer until creamy; gradually add brown sugar, beating until light and fluffy.
2. Gradually add flour, beating at low speed until smooth. Cover and chill 30 minutes.
3. Roll dough to 1/4-inch thickness on a lightly floured surface. Cut with a 2-inch tree-shaped cutter; place 1 inch apart on lightly greased baking sheets.
4. Sprinkle with sparkling sugar.
5. Bake at 375° for 10 to 12 minutes or until edges are golden; cool on baking sheets on wire racks 5 minutes. Remove to wire racks to cool completely.