Step 1

Place sweet potatoes in a large pot of boiling water. Boil until fork tender, about 15 minutes. Meanwhile, preheat oven to 350 degrees F.

Step 2

Drain the potatoes and return to pot, away from heat. Mash in the butter, brown sugar, cinnamon and orange juice. Spread evenly in a large greased casserole or 9- x 13- inch pan.

Step 3

Bake 20 minutes, remove from oven and top with marshmallows. Bake additional 5 to 10 minutes or until marshmallows are puffy and golden.