By Tim Carman, The Washington Post The story sounds like the plot of a B-grade comedy: A chef who worked for a decade at Chez Panisse, the pioneering California restaurant that reminded Americans that ingredients actually have a season, decides to launch what she and her partner call the world’s first chicken nugget tasting room. Yet, it’s true: Last month in Sebastopol, California, former Panisse sous chef Jennifer Johnson and wife/business partner Serafina Palandech opened the Kitchen, a lunch counter and tasting room devoted to chicken nuggets, the staple of kid’s menus everywhere.