Celebrating the Jewish holiday of Shavuot is pretty much the equivalent of a collegiate all-nighter. The religious festival commemorates the delivery of the Torah to the Jewish people at Mount Sinai. One associated tradition includes eating dairy foods—the Jews were just sorting out the complicated kosher meat laws—so bring on the cheesecake! A second tradition is also, naturally, food related. Originally a grain harvest festival, it was customary to offer, or now to eat,…