Step 1 : Introduction to the question "6. What kind of potato is a jacket potato?"
...1. It isn't a potato at all; it's a buttonaire 2. Boiled 3. Baked 4. Julienne A baked potato (the U.S. term) is baked with the skin on. It is served with the skin, or jacket, on; ergo jacket potato (the British term). I once hosted a show where I talked about baked potatoes. The show never won any TV awards. As it turns out I was just a commentator.