Key Lime Pie
["1 can sweetened condensed milk", "4 eggs, separated", "1/2 c. lime juice", "6 Tbsp. sugar", "1/2 tsp. cream of tartar"]
["Mix together milk, egg yolks and lime juice.", "Beat 1 egg white stiff and fold into mixture. Pour into baked pie shell.", "Beat 3 egg whites and gradually add sugar and cream of tartar.", "Spread over filling and bake at 350\u00b0 until egg whites are golden brown."]
["condensed milk", "eggs", "lime juice", "sugar", "cream of tartar"]