Refrigerate both cake mixes for 30 minutes.Preheat your oven to 325 degrees, line a baking sheet with parchment paper and place powdered sugar into a bowl.
Roll the two-flavored cookie dough ball in powdered sugar and place on the prepared cookie sheet. Repeat with the rest of the cookie dough, placing them two inches apart.
Bake the cookies and remove the cookies and allow them to cool for 5 minutes on the pan before transferring them from the cookie sheet to a wire rack to cool completely.