Appears in Cook's Country June/July 2014
There’s just one problem with most portobello mushroom burgers: They have almost no resemblance to a burger.
For a grilled mushroom burger that will please even the staunchest beef lover, we start with meaty portobello caps. Scraping out the dark gills prevents off-flavors, and crosshatching the tops of the caps tenderizes the often rubbery mushro...