S14, E49: The judges reveal four prickly ingredients - sea urchin, prickly pear, stinging nettle and chestnuts - to be a hero in their dish today.

Starring Aldo Ortado, Alvin Quah, Billie McKay

S14, E49: The judges reveal four prickly ingredients - sea urchin, prickly pear, stinging nettle and chestnuts - to be a hero in their dish today.