Beat butter and sugar in mixing bowl for 2-3 minutes, until fully combined and smooth. Beat in eggs, one at a time. Add flour, baking powder and salt, beat until combined. Fold in ¼ cup sprinkles.

Refrigerate cookie dough for one hour, covered with plastic wrap.

Pour remaining ½ cup sprinkles into a small bowl.

Use a 1-2 tablespoon cookie scoop to make dough balls. Dip the tops of each dough ball into sprinkles. Place dough on a parchment paper lined cookie sheet, sprinkle side up.

Bake in a 350°F oven for 12-14 minutes. Allow to cool completely.

Store in an airtight container for up to one week, or freeze for one month.