1 baked 9 inch pie shell
1 c. sugar
1/4 c. flour
1/8 tsp. salt
1/4 c. water
3 egg yolks
3/4 c. water
3 tbsp. butter
1/4 c. lemon juice
2 tsp. grated lemon rind
3 egg whites
1/2 tsp. salt
9 tbsp. sugar

Mix sugar, flour, salt, and 1/4 cup water until smooth. Beat egg yolks; add 3/4 cup water. Cook in double boiler, stirring constantly, until thick. Cover and cook for 10 minutes. Add butter, lemon juice, and rind. Pour into pastry shell. Beat egg whites until stiff, but not dry. Add salt. Gradually add sugar, beating constantly. Swirl on pie filling. Bake at 325 degrees for 20 minutes or until lightly browned.