Healthy snacks can include more than celery sticks. Frozen vegetables often taste better because they're not turning into starch, like their produce-aisle counterparts. Freezing vegetables seals in their naturally sweet flavor.
Half of a cup of peas has 55 calories and 3 g of fiber; the same amount of corn contains 72 calories with 2 g of fiber. The high-fiber and low-calorie-density combination means they're filling and satisfying, and the frozen part makes them interesting. They're firm, but not rock hard, and they melt in your mouth.
"You can use the same trick with fruit," Gidus says. "Freeze grapes or cherries, and it's a whole different experience."