Trim the pork neck of any excess sinew or fat. Put the eucalyptus leaves and salt cure in a tray. Put the pork in the tray and rub with the cure.
Lay the pork on a sheet of plastic wrap and roll into a cylinder as tightly as possible. Ensure it is airtight and then place in a steamer for 12 hours at 70°C (158°F). Once steamed, refrigerate until chilled, preferably overnight, before cutt