This plastic wrapped potato just goes right in the microwave as is. Don't even take off the wrapper. It does whistle a bit as it cooks, but don't be alarmed, the sparse directions indicate that's normal. It will be hot when you take it out, so watch out. It makes getting the hot potato out of the plastic quite the trick without burning yourself.
However, once you do get the wrapper off, get the potato on a plate, and start with the fork mashing, it's terrific. Good deal, Nature's Way.