01 - Set the oven temperature to 425°F.
02 - Wash each potato thoroughly and dry with a clean towel.
03 - Use a fork to pierce each potato several times.
04 - Coat each potato evenly with olive oil, then sprinkle with kosher salt and black pepper.
05 - Place the potatoes directly on the oven rack or on a parchment-lined baking sheet.
06 - Bake for 50 to 60 minutes until the skins are crisp and a fork easily pierces the flesh.
07 - Remove potatoes from the oven and allow to cool for 5 minutes, then slice each potato lengthwise.
08 - Gently fluff the interior of each potato with a fork, add butter, and finish with optional toppings such as sour cream, chives, cheese, bacon, and additional salt and pepper as desired.