If, like me, you think of Christmas as a time for cookies, you ought to be grateful to the Germans because they invented that custom. German lebkuchen the Cadillac, or should I say the Mercedes Benz of spice cookies, was probably the first cookie traditionally associated with Christmas. Lebkuchen may also very well be the oldest form of cookie know to human kind. The first recorded reference to it appears in an 11th century manuscript at a German monastery, and if that's not old enough for you,