Key Lime Pie
["4 eggs, separated", "1 c. sugar", "1/2 c. Key lime juice (regular lime juice can be substituted)", "1 (15 oz.) can sweetened condensed milk", "1 (9-inch) baked pie shell"]
["Combine egg yolks and condensed milk.", "Mix well.", "Add lime juice and blend well.", "Beat one of the egg whites until firm. Fold into mixture.", "Turn into pie shell."]
["eggs", "sugar", "lime juice", "condensed milk", "shell"]