Mini-size me: Chains eye smaller portions, more options to woo health-conscious diners

Since the country's obesity epidemic became top-of-mind for restaurants, the industry has found many ways to respond to consumers' concerns. While restaurants across the board have been quick to offer more low-fat options, quick-service and quick-casual restaurants also have hit a particular sweet spot in recent years by adding the option of smaller portion sizes. Not only does portion control strike a chord with calorie-conscious consumers, but it also has operational value for