Iceland's Christmas Eve (Aðfangadagur) centers on Þorramatur ("Thorri food")—a curated spread of traditional preserved foods consumed during the midwinter Þorrablót festival (late January to late February, per the old Norse month of Þorri).
These are survival foods—preserved through fermentation, drying, smoking, curing, or whey-pickling (súr) to last the winter:
Most Icelanders today eat a "regular" Christmas Eve meal (smoked lamb, ptarmigan, or turkey with potatoes, peas, gravy). Þorramatur is served at organized Þorrablót gatherings—community halls, workplaces, societies—where it's a celebration of heritage, endurance, and dark humor. Tourists can experience it at Reykjavik restaurants (e.g., Café Loki, Þrír Frakkar) year-round.
Þorramatur honors ancestors who survived Arctic winters on ingenuity. It's not daily fare—it's ritual. The willingness to eat hákarl signals Icelandic identity. As one local puts it: "We eat it so we remember we're tough enough to have survived."