Preheat the oven to 325 degrees

Beat butter on medium speed until creamed, add dark brown sugar and continue beating until well combined.

Mix in flour on low mixer setting.

Form cookie dough into 1" balls using lightly floured hands. Place them 2 inches apart on a parchment lined or non-stick baking sheet and press lightly until they're about 1/4 to 1/2 inch thick.

Add holiday sprinkles

Bake for 15-17 minutes