For the purposes of this discussion, let's assume that unflavored coffee with milk is kosher everywhere you go. (Related MY questionRelated MY question)
Are Coolatas (from Dunkin Donuts) included in this?
A friend of mine went to a Dunkin Donuts and bought a Coolata, and a different friend asked him, with a look of amazement on his face, "You mean you can buy Coolata's at trief Dunkin Donuts!?"
Thought I'd ask if any kashrus organizations wrote anything on the topic.