With two new presenters at the helm after the departures of Gregg Wallace and John Torode, the real star of the new ‘MasterChef’ is Grace Dent's turn of phrase, writes Lauren Morris When both Gregg Wallace and John Torode were fired from MasterChef following a seven-month investigation into the former’s behaviour, finding their replacements was always going to be a tall order for the BBC show. But the cooking competition’s retur... [3258 chars]