Key Lime Pie
["1 c. sugar", "3 Tbsp. cornstarch", "2 c. water", "1 Tbsp. butter", "grated rind", "1/4 c. flour", "1/4 tsp. salt", "3 eggs, separated", "1/4 c. lime juice", "9-inch pie shell"]
["Combine sugar, flour, cornstarch and salt.", "Stir in water. Cook until thick.", "Gradually stir mixture into beaten egg yolks. Return to low heat and cook 2 minutes.", "Stir in butter, lime juice and rind and cook slightly.", "Pour into prepared pastry shell."]
["sugar", "cornstarch", "water", "butter", "grated rind", "flour", "salt", "eggs", "lime juice", "pie shell"]