Wawa is testing sushi at a limited number of stores in the Delaware Valley, adding six varieties of cooked rolls to the convenience store chain's grab-and-go offerings.

Sushi often contains nutrient-rich fish, seaweed and important nutrients in vegetables. But not every roll is equally healthy ...

The sushi chain joins a growing list of brands, including Charleys, Panera and Tropical Smoothie Cafe, to adopt the model ...