This delicious bread is pletzel. It's an Ashkenazi Jewish flatbread and is sometimes called Onion Board. Pletzel is topped with onions and poppy seeds, just like bialys . It's kind of a cross between focaccia and and a bialy. Typically it is shaped either in a board or a disk (called an onion disk). It used to be very popular in days gone by, but is not very well known or easy to find these days, even in Jewish bakeries, just like bialys. Probably the most well-know bakery that mades them is Kossar's, in the lower east side of New...