Key Lime Pie
["4 egg yolks", "1 can sweetened condensed milk", "1/2 c. lime juice"]
["Beat yolks of eggs until lemon color.", "Add condensed milk and beat again lightly.", "Add lime juice and beat until smooth.", "Pour mixture into pastry shell.", "Top with meringue."]
["egg yolks", "condensed milk", "lime juice"]