Baked Potatoes

Preheat oven to 300° F. Scrub baking potatoes, prick several times with a fork, rub with oil, then sprinkle with kosher salt. Place potatoes directly on oven rack with a baking sheet on a lower rack to catch drips, and bake for an hour. Remove potatoes, increase temperature to 400° F, and brush potatoes with additional oil. Return potatoes to the oven and bake for another 10 minutes to crisp the skin.