A Burger Even a Purist Could Love

I'm pretty sure I've overused the phrase "I'm a purist" when it comes to burgers. That's because Andy is in charge of them in our house and I'd go so far as to say "grills perfect burger" is right up there on the "Reasons to Keep Him Around" list with "can do ponytails" and "knows how to set the DVR to X Factor." His burgers -- juicy, salty, loosely pac…