Boxing Day: traditional and not so traditional food
The origins of Boxing Day
are disputed and may be lost to history, but today it's celebrated much like we celebrate our neo-traditional Black Friday, with post holiday sales shopping, sports watching, and leftovers eating.
Few traditional dishes exist for this day, but St. Stephen's Day pie, essentially cottage or shepherd's pie, uses leftover meat. In Catalonia their canelons, essentially canneloni but smothered in béchamel then baked golden brown, does the same.