Claire'S Lemon Pie
["1 (14 oz.) can sweetened condensed milk", "1 (6 oz.) can frozen lemonade, thawed", "8 oz. Cool Whip", "1 (8-inch) graham cracker pie shell"]
["Beat milk and lemonade.", "Fold in Cool Whip.", "Pour into shell. Chill thoroughly."]
["condensed milk", "frozen lemonade", "graham cracker pie shell"]