The 500 biggest U.S. restaurant chains saw their sales grow 3.5 percent last year, to $264 billion, with the biggest growth coming in the Asian, bakery-cafe and coffee cafe categories. Dickey’s Barbecue Pit topped the list of fastest growing chains with more than $200 million in sales, and Smashburger, Raising Cane’s Chicken Fingers, Marco’s Pizza and Jersey Mike’s Subs rounded out the top five. Read the FastCasual.com story here