"He said he had always followed my career in conjunction with [former Wallabies captain] George Gregan and he'd always considered bringing his company into New Zealand," Marshall said. "He thought that with my profile, maybe I'd be interested. It kind of went from there to be honest."
Marshall said he had done his due diligence on the business and there was potential for it to do well in this country. The Golden Roast will face competition from a number of existing operators offering spit-roast catering services.
"There's always a risk element with any business you enter into and I'm very well aware of that," Marshall said. "At the end of the day you've got to be at the coal face and work hard to make sure the business is a success."
He said The Golden Roast in New Zealand was a partnership between himself and Hosking.
"Phil will always retain a certain percentage of shares in New Zealand."
A franchise territory cost $55,000, plus equipment costs such as a van and roasting equipment.
Justin Marshall is a Herald columnist, with his views on Super Rugby published on Mondays and Fridays.
Justin Marshall
• 40 years old.
• Played 81 tests for the All Blacks between 1995 and 2005.
• Owned interest in hotel and bar in Britain while playing rugby in Europe.
• Will continue his role as Herald columnist and Sky Sport rugby commentator while running catering business.