Sweet or salty? Historically among Eastern European Jews, how they liked their gefilte fish depended on where they lived. This divide created a strictly Jewish geography known as "the gefilte fish line." Claire Eggers/NPR hide caption itoggle caption Claire Eggers/NPR The Salt The Gefilte Fish Line: A Sweet And Salty History Of Jewish Identity September 24, 2014 Gefilte fish can be a hard sell even in its standard savory form. But some European Jews like it sweet, a preference that, surprisingly, overlaps exactly with a geographic and linguistic divide.