What???s sorely lacking in school meals ??? as well as meals in general ??? are healthy fats such as the mono-unsaturated fats in olive oil, canola oil, and nuts, and the omega-3 fats from oily fish, pastured meats, eggs, and flax seed. (In defiance of popular diet pronouncements, some Americans have embraced coconut oil, a saturated vegetable fat with a bad rap.