Preheat oven to 350 degrees. Line baking sheets with parchment paper.
In a large bowl, combine yellow part of cake mix, eggs, and oil, stirring until well mixed. Slowly incorporate chocolate mix to form marbled cookie dough.
Shape each dough ball around 1 candy, roll into smooth ball. Place dough on prepared baking sheets. Bake for 8-10 minutes, or until edges are firm. Cool on pan for 10 minutes. Remove from pans, and cool completely on wire racks.