Sweet Potato Bake

-1 lg can (40 oz) sweet potatoes, drained
-1/4 c packed brown sugar
-2 tbsp maple syrup
-1 tbsp butter
-1 tbsp milk
-1 tsp ground cinnamon
-1/4 tsp salt
-1/2 tsp nutmeg
-2 cups mini marshmallows
-1/2 c chopped walnuts (optional, stir into mixture after mixing)

Preheat oven to 350. Grease or spray baking dish or pie pan.
Combine sweet potatoes, brown sugar, maple syrup, butter, milk, cinnamon, salt, and nutmeg in mixing bowl. Beat with mixer until smooth and creamy.

Pour mixture into baking dish. Bake 10 minutes.

Put marshmallows on the top and bake 5-10 min longer until potatoes are heated through and marshmallows are golden brown.