Wash the sweet potato under running water to remove any dirt and impurity. Transfer to a clean kitchen towel and pat it dry. Do not remove the skin.
With the help of a fork, poke three to four holes on each side of the sweet potato. Piercing the potato ensures that the steam is released and prevents it from bursting.
Transfer potato over a clean microwave-safe plate and microwave on high for 3 minutes. With the help of a kitchen tong, flip the potato on the other side and microwave for additional 2 to 3 minutes. Check for doneness using a fork, it should be tender.
Let microwaved sweet potato cool for 2 to 5 minutes, the cut into half lengthwise. Serve it with melted butter, salt and pepper on top, or use it for your favorite dishes.