Voted as 'The best place for burgers in Boston', R. F. O' Sullivan & Son serves burgers compared to no other. These big-sized burgers are made with freshly-ground sirloin mixed with fresh herbs and spices and grilled for 20 minutes till they are cooked to perfection. Upon requests, the restaurant also offers rare cooked burgers. With a variety of toppings and sauces, these burgers can be...