Slonie žrádlo (, in Slovakia) or sloní žrádlo (, in Czech Republic, literally "elephant food"), is a type of Czechoslovak spread or salad of unknown origin. The probable name origin is linked to its quantity "as for elephants" ("ako pre slony"). It is prepared with cooked mixture of vegetable oil, ketchup, mustard, soy sauce, Worcestershire sauce, salt and pepper which is mixed with "parizer" or ham, eggs, pickled cucumber, onions, we can also add corn, tomatoes, diced hard cheese, and pickled cucumber brine with mayonnaise.
"Slonie žrádlo" is typically spread on a slice of veka, fresh bread and also on toasted old bread. It is usually served during visits and on New Year's Eve (Silvester).