Lemon Meringue Pie
["1 (9-inch) pie shell, baked", "1 1/2 c. sugar", "1/3 c. plus 1 Tbsp. cornstarch", "3 egg yolks, slightly beaten", "1 1/2 c. water", "3 Tbsp. butter or margarine", "2 tsp. grated lemon peel (optional)", "1/2 c. lemon juice", "1 or 2 drops yellow food coloring (if desired)"]
["Bake pie shell.", "Heat oven to 400\u00b0.", "In saucepan, blend sugar and cornstarch.", "Combine egg yolks and water; stir gradually into sugar mixture.", "Cook, stirring constantly over medium heat until mixture thickens and boils.", "Boil and stir 1 minute.", "Remove from heat; stir in butter, lemon peel and juice and food coloring. Immediately pour into baked pie shell.", "Heap meringue on hot pie filling; spread over filling carefully, sealing the meringue onto edge of crust to prevent shrinking or weeping.", "Bake about 10 minutes or until delicately browned.", "Cool pie away from draft."]
["pie shell", "sugar", "cornstarch", "egg yolks", "water", "butter", "lemon peel", "lemon juice", "coloring"]