Recipe: Basic Sugar Cookies
(from Martha Stewart)
2 cups all-purpose flour, plus more for rolling
1/2 teaspoon baking powder
1/4 teaspoon salt
1/2 cup (1 stick) unsalted butter, room temperature
1 cup granulated sugar
1 large egg
1 teaspoon vanilla extract
Assorted candies, sprinkles, or colored sugars, for decorating
In large bowl, whisk flour, baking powder, and salt. With an electric mixer, cream butter and sugar until light and fluffy. Beat in egg and vanilla. With mixer on low, gradually add flour mixture; beat until combined. Divide dough in half; flatten into disks. Wrap each in plastic; freeze until firm, at least 20 minutes, or place in a resealable plastic bag, and freeze up to 3 months (thaw in refrigerator overnight).
Preheat oven to 325 degrees. Line baking sheets with parchment paper. Remove one dough disk; let stand 5 to 10 minutes. Roll out 1/8 inch thick, dusting dough with flour as needed. Cut shapes with cookie cutters. Using a spatula, transfer to prepared baking sheets. (If dough gets soft, chill 10 minutes.) Reroll scraps; cut shapes. Repeat with remaining dough. Bake until edges are golden, about 10-14 minutes. Cool completely on wire rack. Frost and decorate when cooled.