Sandwiches, soup, crisps or even a quick biscuit snack... desktop dining is something most of us have done. Either you're too busy to take a break or want people to think you're too important to step away.
"This not only enforces people pulling themselves away from their screen for a break but also means you don't need to hear the person next to you chewing their food loudly whilst you are trying to concentrate," he says.
Even snacking on fruit is too much for some people to bear. "If you have to eat, no noisy, crunchy apples," says engineer Lucy.
Surely it would be easier for all of us if firms simply banned eating at our desks altogether?
Absolutely not, says David D'Souza, member director at the CIPD, the professional body for HR and people development. This would be "too draconian or too paternalistic," he says.
Instead, he says firms should do as much as possible to encourage people to eat away from their desks.
Managers should set an example by taking regular breaks and encouraging staff to do likewise, he says. But Mr D'Souza also suggests an informal monitoring system, urging colleagues who we know work through lunch to take a breather.
Instinctively, most of us know that stepping away from work, even if it's just for ten minutes, makes us feel better.
Research has also suggested that it can also make us more effective at our jobs.
Workers who skip lunch are ultimately more stressed and less productive, an issue that could eventually lead to burn out, health journalist Christopher Wanjek found in his book about workplace eating habits.