Lane, 27, was charged with creating special touches to seal the win.
"I was doing the value-added cuts of meat, so I made the Tane Mahuta trunk out of a bone and arranged the meat and parsley to make it look like a tree," she said.
The Sharp Blacks will travel to Britain next year to defend their Butchery Tri-Nations title and both Northland butchers fancy the international experience.
"I'd love to get over there," Puncheon said. "I've got a real taste for competition now."
Lane was just as keen. Asked how she felt as the only woman working among male butchers, she said: "I'm pretty used to it now and it makes me a little more determined to win."