I've been trying to eat better this summer so often lunch is a variety of veggies (cucumber, celery, carrot, peppers, beans) and hummus with a fruit. Sometimes, when I think of it, I'll bring cheese too (a Canadian brand of good cheddar called Baldersons, generally 2yr old cheddar, don't want to pay the extra for the 5yr or 10yr except on special occasions).

I'll have a fruit for morning and afternoon break and a full meal for dinner.