46 minutes ago, Dave the Cook said:
Perhaps. It’s definitely a thought, but an initial quick search didn’t uncove anything about Peterson and long baked potatoes.
But it did show up a recommendation for 3 hour potatoes. Granted these are done at 350°, but the article also offers a way of testing potatoes baked from 1 to 3 hours such that they can all be taste tested at the same time.