It's set entirely with its own natural gelatin, released from slow-simmering pig's head and trotters — no powdered gelatin required.
Meat picked from a simmered pig's head and trotters is seasoned with vinegar and spices, packed into a mould, and left to set into a firm, sliceable terrine as it cools. Brabant butchers and market stalls sell it thinly sliced, usually eaten on bread with mustard.