Heat oven to 425°F (220°C)
Scrub sweet potatoes clean
Pat dry
Poke 6–8 holes in each potato with a fork
Rub skins with a little olive oil (optional)
Sprinkle with salt (optional)
Place on a baking sheet (or directly on the oven rack for crispier skin)
Bake 35–55 minutes, until tender when pierced with a fork
Rest 5 minutes before serving
Optional: wrap in foil for softer skin, unwrap for the last 5–10 minutes for more browning
Optional toppings: butter, brown sugar, cinnamon, salt, black pepper, marshmallows, or yogurt/Greek yogurt