SD Sensational Sweet Potato Bake

Sensational Sweet Potato Bake 

Ingredients:

4  Sweet potatoes

8  Tablespoons light margarine, divided

1  Jar marshmallow crème

1  Large egg

2  Large egg whites

1/2  Cup sugar1/2 cup skim milk

1/2  Cup light brown sugar

2  Cups crushed Crispix (cereal of your choice)

Instructions: