Lemon Meringue Pie
["1 baked 9-inch pie shell", "1 1/2 c. granulated sugar", "1/2 c. 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 sugar, flour, cornstarch and salt in double boiler; add boiling water, stirring constantly.", "Cover and cook 15 minutes.", "Beat egg yolks with 1/2 cup sugar and gradually pour hot mixture over this, while stirring.", "Return to double boiler and cook 5 minutes longer.", "Just before removing from heat, add lemon juice and rind.", "Mix well.", "Cool.", "Pour into pie shell.", "Top with meringue."]
["shell", "sugar", "flour", "cornstarch", "salt", "boiling water", "eggs", "lemon juice", "lemon rind"]