To strike the perfect balance between healthy and oh-so-satisfying, the best snacks tend to meet three important criteria: First, they need to give you sustainable energy (read: avoid the blood sugar roller coaster). More often than not, they also fulfill a midday craving—be it a longing for something sweet or salty. Finally, they’re usually texturally appealing—for instance, a good, crunchy snack offers an extra-sensory signal that satisfies your brain.
