Olives

Olives deliver big flavor, yet they're relatively low in calories (one serving of five kalamata olives contains about 25 calories). The olive bar at some supermarkets typically offers a variety, so try different types to mix things up.

100-Calorie Snack: 1 1/3 ounces pitted olives

Benefits: This fruit satisfies a salty craving and supplies a decent amount of heart-healthy fats.