The much buzzed about chicken is good, but not without fault. Tejal Rao stops by Dirty French and despite her typical disdain for dishes that are served "for two,"she enjoys the elaborate chicken presentation, which comes for two, in two services:The chicken and crepes dish for two ($72) at Dirty French is something else. You will need a large table to comfortably hold the setup. The breast meat has been roasted and sliced beautifully, laid over some kind of creamy mustard sauce....The legs, which arrive separately, are poached slowly in chicken fat, then grilled. ...