1 1/2 c. mashed, cooked sweet potatoes
1 1/2 c. sugar
2 1/2 tbsp. butter, softened
2/3 c. evaporated milk
3 egg yolks, beaten
1 tsp. vanilla extract
1 tsp. ground nutmeg
3 egg whites
1 (9 inch) unbaked, deep dish pastry shell

Combine sweet potatoes, sugar, and butter; stir well. Stir in milk, egg yolks, vanilla, and nutmeg; set aside.

Beat egg whites (at room temperature) at high speed of an electric mixer until stiff peaks form. Fold beaten egg whites into sweet potato mixture. Pour mixture into unbaked pastry shell. Bake at 375 degrees for 10 minutes; reduce heat to 350 degrees and bake 45 minutes or until set. Yield: One 9 inch deep- dish pie.