I avoid cheese laiden food, anything with an 'oil' dressing, any meat that's dry fried as they tend not to have drained off the excess fat and opt for a breast of chicken grilled then sliced, char grill is good as long as they didn't coat it in oil to stop it sticking to the grill. Alternatively you can do what I do sometimes, when they order theirs in, i ask them to get me whatever side salad is avaliable and then I pop a chicken breast onto the Foremans Grill, by the time theirs arrives mine is ready!
Simple really, oh and be careful of nan bread, it's got oil in it, pitta is good, but go for brown if you can, it's healthier for you.
Bunny x