Preheat the oven to 425°F (220°C)
Wash and scrub the potatoes
Dry the potatoes completely
Pierce each potato several times with a fork
Rub the potatoes with oil
Sprinkle with salt
Place the potatoes directly on the oven rack or on a baking sheet
Bake for 45 to 60 minutes
Check for doneness by inserting a fork or knife into the center
Remove from the oven
Let the potatoes rest for 5 to 10 minutes
Slice open and serve