Gregg Wallace, the MasterChef presenter who's currently under scrutiny, has previously bragged about making racially insensitive and sexual jokes during his time at the BBC. In his 2012 memoir, the 60-year-old former greengrocer confessed to being "naughty" during his stint on Saturday Kitchen, saying: "I love my innuendoes, and I would make jokes all the way through, making such quips like: 'I've got a Korean cookbook at home called 100 Ways to Wok your Dog' and 'Henry VIII liked getting head from his wives'.