Easy, Flaky Pastry

4 tbsp. butter1/2 cup sugar3 tbsp. lemon Juice1 tbsp. lemon rind3 eggs, separated1/2 tsp. cinnamon1/4 tsp. nutmeg2 cups mashed sweet potato1 cup evaporated milk1 unbaked pastry shell Cream butter and sugar, add lemon and rind. Add beaten egg yolks, spices, potatoes and milk. Mix thoroughly and fold in stiffly beaten egg whites. Pour into pastry…