Preheat the oven to 425ºF.
Line a baking sheet with aluminum foil.
Scrub the potatoes well under running water with a vegetable scrubbing brush. Dry with a paper towel, then place the potatoes on the lined baking sheet. Rub each potato with olive oil, then sprinkle with salt and pepper on both sides.
Place in the oven and bake until fork-tender, about 1 hour..
Remove from the oven, let sit for 5 minutes, then serve, topped with the condiments of your choice.