Fresh Lemon Meringue Pie
["1 1/2 c. sugar", "1/4 c. plus 2 Tbsp. cornstarch", "1/4 tsp. salt", "1/2 c. cold water", "1/2 c. freshly squeezed lemon juice", "3 egg yolks, well beaten", "2 Tbsp. butter or margarine", "1 1/2 c. boiling water", "1 tsp. grated peel", "food coloring (if desired)", "1 (9-inch) baked pie shell"]
["Mix sugar, cornstarch and salt.", "Use wire whisk.", "Blend in cold water, then lemon juice until smooth.", "Add beaten egg yolks. Blend thoroughly.", "Add butter and boiling water, stirring constantly.", "Bring to a boil until thickened.", "Pour into pie crust.", "Add meringue.", "Bake at 400\u00b0 for 10 minutes."]
["sugar", "cornstarch", "salt", "cold water", "freshly squeezed lemon juice", "egg yolks", "butter", "boiling water", "peel", "food coloring", "shell"]