1. Process first 4 ingredients in a food processor until mixture forms a ball.
2. Roll dough to 1/4-inch thickness on a lightly floured surface. Cut with a 2-inch cookie cutter; place on lightly greased baking sheets.
3. Bake at 325° for 18 to 20 minutes or until edges are lightly browned. Sprinkle with granulated sugar. Remove to wire racks to cool completely.