Potato knishes are the most common version of the snack — essentially mashed potato hand pies — and are commonly sold at delis and hot dog carts. But knishes can be filled with everything from ...

Snacks include a Knish n’ Caviar, featuring pillowy potato knishes with a luxurious side of Dusseldorf mustard and caviar creme fraiche for dipping. A "New York 'Crudo'"is a playful take on the ...