Quick Lemon Pie
["1 can condensed milk", "1/3 c. lemon juice", "Cool Whip", "2 egg yolks", "graham cracker crust"]
["Mix well.", "Pour into a graham cracker pie crust and top with Cool Whip.", "Refrigerate for 1 hour."]
["condensed milk", "lemon juice", "egg yolks", "graham cracker crust"]