Preheat the oven to 425°F (220°C)
Scrub the potatoes clean and dry them well
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, depending on size
Check doneness by inserting a fork or knife into the center
Remove from the oven when tender
Let rest for a few minutes before serving