2Place sweet potatoes in a medium baking dish. Distribute butter pieces evenly over the sweet potatoes. Sprinkle with brown sugar. Layer with miniature marshmallows.
3Bake in the preheated oven 25 minutes, or until sweet potatoes are tender and marshmallows have melted.
Footnotes
Tip
Aluminum foil can be used to keep food moist, cook it evenly, and make clean-up easier.