1 baked 9" pie shell
1 1/2 c. granulated sugar
1/2 c. all purpose flour
2 tbsp. cornstarch
1/2 tsp. salt
2 1/4 c. boiling water
3 eggs, separated
6 tbsp. lemon juice
3 tbsp. grated lemon rind

Combine 1 cup of the sugar, the flour, cornstarch, and salt in a double boiler; add the boiling water, stirring constantly. Cover and cook 15 minutes. Beat egg yolks with one half cup of sugar and gradually pour hot mixture over them, while stirring. Return to double boiler and cook 5 minutes longer. Just before removing from heat, add lemon juice and rind. Mix well; cool; and pour into pie shell. Top with meringue made from the 3 egg whites.