Each dish was selected from the Lockie’s Kitchen menu and prepared and served by prisoners.
All money raised from the sale of the tickets and donations from attendees will support the charity’s next prisoner training project, which will be revealed before the end of the year.
Lock said: “I saw some close mates get into crime when I was growing up and one or two ended up in prison. I’ve visited them and I can see what a tough time they have, especially when it comes to starting again once they’re out. This is why I have started working with The Clink. I want to raise the profile of a charity that helps prisoners come out to a better life and not reoffend.
“It was an incredible experience. The prisoners are a great bunch of lads to work with, dedicated and hardworking, and they served up a delicious mean. They are true pros.”
Lock was joined Yazmin Oukhellou and Pete Wicks, also stars of the reality show, for the three-course lunch.
The Clink Charity, which aims to reduce reoffending rates through hospitality training, has four restaurants in the UK, in London, Cardiff, Cheshire and Surrey.