01 -
Preheat oven to 400 degrees Fahrenheit.
02 -
Peel the sweet potatoes and cut them into thin medallions using a mandoline or a sharp knife. Arrange slices in a baking dish.
03 -
Set a small saucepan over medium heat. Combine unsalted butter, brown sugar, water, ground cinnamon, ground cloves, ground nutmeg, and salt. Stir until the mixture is fully melted and incorporated.
04 -
Pour three-quarters of the spiced sauce evenly over the sweet potato medallions. Cover the baking dish tightly with foil and bake for 45 to 50 minutes, until potatoes are tender.
05 -
Remove foil from the dish. Drizzle remaining sauce over the potatoes, then sprinkle with chopped pecans and mini marshmallows.
06 -
Set oven to broil. Return dish to the oven and broil for 1 to 2 minutes until marshmallows are golden and toasted. Watch carefully to avoid burning.
07 -
Remove dish from oven. Let cool for 10 to 15 minutes before serving.