Barney Greengrass serves a home made matzo ball soup built on a simple, clear chicken broth with a classic matzo ball at its center.[8][18] The deli’s focus on smoked fish carries over into careful stock-making, so the broth tastes clean and savory without unnecessary flourishes.[18] The matzo ball is sized to feel generous yet manageable, with a soft interior that absorbs the broth while retaining enough structure to slice with a spoon.[8][18] Longtime observers of the city’s Jewish delis consistently include this soup among the Upper West Side’s most nostalgic bowls.[18]