Prep Time: 10 minutes
Cook Time: 50 minutes
Total Time: 60 minutes
Servings: 8
Preheat oven to 350°F.
Peel yams and slice into 1/4" thick circles. Place in a 9 x 13 baking dish.
Add brown sugar, salt, cinnamon, and nutmeg to yams. Toss to combine.
Add sliced cubes of butter on top of the yam mixture.
Bake 40 minutes or until fork tender, stirring every 15 minutes.
Remove cooked yams from oven and top with marshmallows. Bake 3-5 minutes, until marshmallows are puffed.
Serve immediately.