Preheat the oven to 425 degrees F and put parchment paper on the baking pan.
Wash the sweet potatoes and dry them with a paper towel.
Poke holes in the potato with the help of a fork and put it on the parchment paper.
Sprinkle some salt and pepper and let it cook for 50-60 minutes.
After the time, check with the help of a fork whether the potatoes are done or need more time.