OREOs are surely one of the most well-liked cookies in history. Mix it with some milk blend it into a shake and you got a hit. And if you think it can't get better than that, try tossing in some refreshing mint and you have a sure fire palate pleaser. Carl's Jr. is making this happen with their new Mint Oreo Cookie Shake, made with Hand-scooped vanilla ice cream, OREO cookie pieces, mint syrup and whipped topping.