3 med. sweet potatoes
1/2 c. half and half
1/2 c. firmly packed brown sugar
2 tbsp. butter
1/4 tsp. salt
1/2 tsp. ground nutmeg
1/2 tsp. cinnamon
3 egg whites
1 tsp. baking powder

Cook sweet potatoes in boiling water until tender. Let cool, peel and mash. Combine potatoes and next 6 ingredients mixing well. Set aside. Beat egg whites until foamy. Add baking powder; beat until stiff. Gently fold into sweet potatoes. Spoon into a greased baking dish. Bake at 325 degrees for 45 minutes.