24 cookies - 112 cal per cookie 1 cup unsalted butter 1/2 cup powdered sugar 1 1/2 cups all-purpose flour 1/4 cup cornstarch 1/4 teaspoon salt 1 teaspoon vanilla extract sprinkles Preheat the oven to 300F degrees and line cookie sheets with parchment paper or baking mats. In a large bowl beat the butter and powdered sugar until very fluffy and aerated (at least 5 minutes. Mix in the flour, cornstarch, salt and vanilla extract. Dust your hands with cornstarch, then form the dough into balls about 2 teaspoons to 1 tablespoon in size. Place on the lined cookie sheets and press down the top of each cookie with the tines of a fork dipped in cornstarch (this prevents sticking). Add a few sprinkles to the top of each cookie. Bake for 14-16 minutes, or until the tops look set.