01 -
Whisk together flour and baking powder, and set aside.
02 -
In a large mixing bowl, cream together butter, vanilla extract, and sugar.
03 -
Add the eggs one at a time, mixing after each addition to combine.
04 -
Add in the flour mixture and mix until combined.
05 -
Knead dough until firm and not sticky. Wrap in plastic wrap and chill in the fridge for 1 hour.
06 -
Preheat the oven to 375°F (190°C). Line baking sheets with parchment paper and set aside.
07 -
Shape the dough into 1-inch balls, or roll dough into 6-inch strips to form a swirl and tuck the edge under. Place cookies on the baking sheet, spacing them 2 inches apart.
08 -
Bake at 375°F (190°C) for 8-10 minutes. The bottoms should be lightly browned, and the tops should remain light.
09 -
Remove cookies to a wire rack and let cool completely before glazing.
10 -
Combine powdered sugar, milk, and vanilla extract. Mix until thick but runny. Adjust milk or sugar consistency as needed.
11 -
Dip the tops of the cooled cookies into the glaze. Let excess glaze run off. Place on a cooling rack and sprinkle with nonpareil sprinkles. Allow the glaze to dry completely, about 30-60 minutes.