wemetintheair wrote:
'Weck is short for "kimmelweck," a kind of roll on which they served sandwiches.
For those who are longing for greater detail, beef on weck is Buffalo's other, less well-known regional cuisine. It is a sandwich which consists of roast beef on the aforementioned kummelweck roll, which is a fluffy white roll with caraway seeds and big hunks of salt on top.