Catering for large groups of people can be tricky, which is why it needs a special approach. I have a lot of experience of cooking for groups of thirty or forty people at residential camping events for an organisation I'm a part of, so I thought it was about time I shared some of that with the world: how can anyone run an informal food service without driving themselves completely insane and while successfully feeding everyone? Read on for all the tips, tricks, habits and suggestions you could ask for, all from someone who has been doing this (and often in pretty tricky circumstances, too!) for over a decade.