1 (8-ounce) package cream cheese softened ▢½ cup unsalted butter softened ▢1 egg ▢½ teaspoon vanilla extract ▢1 (15.25-ounce) box yellow cake mix ▢1 cup powdered sugar plus more for dusting
In a large bowl, beat cream cheese, butter, egg and vanilla with a hand mixer until fluffy.
Mix in cake mix until combined, and chill for 30 minutes. Preheat the oven to 350 degrees F.
Place powdered sugar in a bowl. Scoop out and roll dough into 1½-inch balls and roll in powdered sugar until well coated.
Place onto a lightly greased cookie sheet. Bake for 10–12 minutes.
Let cookies sit on the cookie sheet for a few minutes, then remove to a rack to cool. Sift more powdered sugar on top, if desired.