The hamburger you have to try

When the James Beard Foundation announced its second annual Blended Burger Project in May, chef Greg Daniels of Haven Gastropub in Orange quickly rose to the call. The contest posed the challenge of creating an artisanal burger in which at least 25 percent of the patty is ground mushrooms, promoting the blended burger concept as a more healthful and arguably tastier version of the classic beef burger. Daniels’ creative calibrations resulted in the Haven Breakfast Burger, a menu entré