mel-reuben-juniorsSome tastes from cold Eastern European farms (with short summers, no refrigerators) diffused throughout Jewish urban deli culture: pickles, sauerkraut, rye bread, cured meat that wasn’t pork (pastrami & strange things), mustard, potato pancakes, onions, beets, carrots and strange root things…

'The Jewish Restaurant - Authentic Jewish Food'

Migration waves of Jews into central Europe, turkel.org. il