Bake sweet potatoes at 350°F for about 30 minutes

Peel baked sweet potatoes

Mash peeled baked sweet potatoes

Mix all ingredients, except the marshmallows

Beat well, until light and fluffy. Add additional milk as necessary.

Spoon sweet potato mixture into a buttered casserole dish

Bake at 350°F until set, about 20 to 30 minutes

Garnish with marshmallows

Bake until marshmallows melt and begin to brown