Preheat the oven to 350 F. In a large bowl, mix together cake mix, eggs, mint extract, and vegetable oil until smooth. Mix in the food coloring. Fold in the chocolate chips and Oreo cookies.
Place the powdered sugar into a shallow dish. Roll the cookie dough into balls and roll in the powdered sugar. Place the cookies onto a large ungreased baking sheet at least 2-inches apart. Bake for 10-12 minutes.