Jake Kanter International TV EditorEXCLUSIVE: MasterChef is officially back in production in the UK after Shine got cameras rolling on spin-off show MasterChef: The Professionals last week.Filming is underway on Season 13 of the professionals’ franchise at 3 Mills Studios in London, with Marcus Wareing, Monica Galetti and Gregg Wallace resuming their hosting and judging duties — albeit with a socially distanced twist.MasterChef: The Professionals is the first of the UK MasterChef brands to go