01 -
In a medium bowl, whisk together the flour, baking powder, and salt. Set aside.
02 -
In a large mixing bowl, cream the softened butter, granulated sugar, and brown sugar together using an electric mixer on medium speed for 2-3 minutes until light and fluffy.
03 -
Add the vanilla extract and egg to the butter mixture, continuing to mix until well combined.
04 -
Gradually add the flour mixture to the butter mixture, mixing on low speed until just combined. Do not overmix.
05 -
Fold in the festive sprinkles and optional ingredients like nuts or chocolate chips, if using.
06 -
Divide the dough in half. Shape each half into a log about 2 inches in diameter and wrap in plastic wrap.
07 -
Chill the wrapped dough in the refrigerator for at least 2 hours or until firm.
08 -
Preheat your oven to 350°F (175°C) and line baking sheets with parchment paper.
09 -
Remove the dough from the refrigerator and slice each log into 1/4-inch thick slices using a sharp knife.
10 -
Place the slices on the prepared baking sheets, leaving space between them for spreading.
11 -
Bake for 10-12 minutes or until the edges are lightly golden.
12 -
Allow the cookies to cool on the baking sheets for a few minutes before transferring to wire racks to cool completely.