Heat oven to 375F. Line a baking sheet with a Silpat liner or parchment paper.

In a bowl, whisk flour, milk powder, baking powder and salt for 30 seconds; set aside.

In a stand mixer, fitter with the paddle, beat butter at medium speed for 30 seconds to smooth it out. Add sugar and brown sugar and beat at medium speed for 3 minutes or until light and fluffy. Scrape down the sides of the bowl with a rubber spatula, as needed.

Add egg and vanilla and continue beating until well mixed, about 30 seconds.

Add the dry ingredients and beat at low speed until just combined. Do not over mix.

Using a standard cookie scoop, scoop dough and roll into balls.

Gently press the top half of each cookie dough ball into the sprinkles to coat.

Places cookies, sprinkle-side-up on prepared baking sheet, about 2-inches apart.

Bake for 10 minutes in center of oven or until edges are golden brown.

Transfer cookies to cooling rack using a thin metal spatula.