Preheat your oven to 425°F (220°C).
Wash and scrub the russet potatoes thoroughly.
Pierce each potato several times with a fork.
Rub the potatoes with olive oil and sprinkle with salt.
Place the potatoes directly on the oven rack and bake for 45-60 minutes until tender.
Remove the potatoes from the oven and let them cool slightly.
Cut a lengthwise slit in each potato and gently squeeze the ends to open them.
Add a pat of butter inside each potato, if desired.
Top each potato with sour cream, cheddar cheese, bacon, and green onions.
Season with salt and pepper to taste, and add any additional toppings.