McDonald's is testing an English Pub Burger in certain Illinois locations, and initial reviews are rather positive. According to marketing materials, the burger consists of "1/3 lb of 100 percent Angus beef, hickory-smoked bacon, white cheddar and American cheese, grilled onions, tangy steak sauce and smokey Dijon mustard sauce all housed on an artisan roll."A GrubGrade reviewer remarked, "This burger just works and tastes unlike anything I've ever had from McDonald's.