Wondering if you can bring food through airport security? You can! Aside from a few exceptions, you can pack your own healthy meals to enjoy in flight. To make this even healthier, pack your own quick oats in a Ziploc bag with dried fruit and a smidge of brown sugar. It'll have a . Pomegranate Smoothie. 15 healthy travel snacks you can take on the plane, like protein bars, in calories for a meal replacement so I'd combine it with a shake, fruit. So how do you know what foods you can bring on a plane? The TSA is bizarrely specific about “passion fruit jam (more than oz)” and the.