Giving the annual MacTaggart lecture, Elisabeth Murdoch - whose production company makes Masterchef and Merlin for the BBC - also praised the corporation for its creative leadership.
Yet lest anyone think food trucks are all fun and games, according to Lucy Lean, a judge for the TV show MasterChef (starring Gordon Ramsay), the one day she spent working aboard the LudoTruck was "one of the most stressful days of my life".