In a large mixing bowl, stir together the cake mix, eggs and oil until well combined.
Chill the dough for at least 1 hour. Dough will be very sticky, so the longer it chills, the easier it will be to handle when rolling
Preheat oven to 350 F
Remove from refrigerator and roll into 1 inch balls and roll around in powdered sugar until completely coated
Place onto cookie sheet and bake for 9-11 minutes
Cookies will appear to be undercooked when taken out of oven - this is normal! Allow to cool briefly on the hot pan, then transfer to finish cooling on a wire rack. Center will continue cooking, but will maintain a nice fudgy center