Step 1

Preheat oven to 325 °F.

Step 2

Line a baking sheet with parchment and set aside.

Step 3

In a medium sized bowl, sift together cornstarch and confectioners sugar. Whisk in the flour until well combined.

Step 4

Using a two forks or rubber spatula, mix in the butter until a soft dough is formed.

Step 5

Using a 1 Tbsp scoop, measure out dough into balls. Roll between hands to create smooth, round balls. Place on a baking sheet at least 2 inches apart.

Step 6

Lightly flatten with the palm of your hand. Using the tines of a fork, gently press the cookies down further.

Step 7

Add sprinkles to the tops of each cookie.

Step 8

Bake for 15-18 minutes, or until the edges are just barely starting to brown. Remove from the oven and allow to cook on the sheet for 5 minutes before transferring to a cooling rack to cook completely.