TV
The celebrity chef will join the husband and wife presenters on their daytime TV show to give them a quick cooking course.
The Jamie's School Dinners star said: "It's great to be back. Richard is so keen to get stuck in, we always have a laugh.
"He's a decent cook, he's cooked me lunch," he added.
Oliver's appearances will coincide with his new show, Jamie At Home, which is also on Channel 4. Starting on the show today, he will cook a courgette carbonara for the presenters, fitting in with the courgette theme of his evening show this week.
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