Key Lime Pie
["2 small pkg. lemon pie filling (not instant)", "1 large pkg. lime jello", "2/3 c. sugar", "4 eggs, beaten", "5 c. water", "3 1/2 c. Cool Whip"]
["Mix all ingredients, except Cool Whip.", "Cook over medium heat until mixture comes to full boil.", "Cool to room temperature, then refrigerate until chilled.", "Beat mixture with electric mixer and add Cool Whip.", "Continue beating until well blended.", "Pour into 10-inch baked pie shell.", "Let stand overnight.", "Garnish with Cool Whip."]
["lemon pie filling", "lime jello", "sugar", "eggs", "water"]