PROBAR REAL FOOD MEAL BAR - OATMEAL CHOCOLATE CHIP (3 oz.). 

Double the weight of many nutrition bars, here's a choice that's both hefty and healthy enough to replace a light meal (410 calories per bar). Naturally high in Omega-3 essential fatty acids, protein, and healthy carbohydrates, each bar is rich in whole food ingredients. Top pick by Health.com among sustained energy bars.