These are bite-size shortbread-type cookies that are so simple and so popular. They're frequently the first cookie people will eat from my Christmas cookie tray. My mom made these every year for Christmas. She'd roll the dough into balls and we got to dunk the tops in green or red sugar crystals. Now I get to continue the tradition with my sons. My sister makes these for other holidays as well and changes the sugar color accordingly. The recipe is my mom's variation on the recipe from the old Betty Crocker "Cooky Book."