The Chopped Liver Sandwich (כריך כבד קצוץ) is the Ashkenazi deli spread built into bread, and it lives entirely on the quality and seasoning of the liver. The angle is richness held in check. Chopped liver is dense, fatty, and iron-strong, so the sandwich is a frame for managing it rather than a stack of competing parts: get the bread, the fat, and the sharp accent in proportion and it reads as a deep, savory deli sandwich; get them wrong and it is either a heavy paste with nothing to cut it or a thin smear lost on too much bread.
The build is short and unforgiving. The liver is the whole thing: chicken or beef livers cooked through, then chopped or ground with sautéed onion, hard-boiled egg, and rendered chicken fat or oil, seasoned hard with salt and pepper until it has body without being a smooth pâté. It wants some texture left in it. The bread is a structural choice, usually rye or a soft white, sliced and sometimes barely dressed, strong enough to hold a thick layer without collapsing. The standard accents are raw onion and pickle, both there to cut the fat with sharpness and acid. Done right, the liver is cool but not fridge-stiff, spreadable, savory and onion-forward, with the pickle and raw onion lifting each bite so the richness never sits flat. Done wrong, it is grey and grainy from overcooked liver, gluey from too much fat, under-seasoned so the iron tastes metallic, or piled so thick the bread cannot do its job and the sandwich falls apart in the hand.
It shifts mostly by the bread and the accents around the core. On rye with mustard it leans into deli convention; on a roll or in pita it becomes a more casual hand sandwich. Some builds add a slick of schmaltz or a few slices of tomato, others keep it to liver, onion, and pickle and nothing else, which is the most honest version and the truest test of the spread. The egg salad and the pastrami sandwich are the natural neighbors on the same deli counter, each its own order and deserving its own treatment, but the chopped liver sandwich returns every time to the same demand: a well-seasoned, properly textured liver good enough that bread and one sharp garnish are the entire sandwich.