For a new twist on Dunkin' Donuts' popular Bakery Sandwiches, Dunkin' Donuts has unveiled a new Pretzel Roll Roast Beef Sandwich. The sandwich features a warm pretzel roll with delicious roast beef, white cheddar cheese and creamy Dijon sauce. Dunkin' Donuts' new crisp and tasty pretzel roll can also be enjoyed as part of any Dunkin' Donuts Bakery Sandwich, including Ham & Cheese, Turkey, Cheddar & Bacon, Chicken Salad, and Tuna Salad. Dunkin' Donuts also recently introduced two Chicken Sandwiches, Barbecue Chicken and Bacon Ranch Chicken. The Dunkin' Donuts pretzel roll and Pretzel Roll Roast Beef Sandwich are available for a limited time at participating Dunkin' Donuts restaurants nationwide.