You could be a fairly unobservant and dull-witted person (me, for example) and still notice this thing. Drive around the suburbs of Dallas where ... dozens of Viet-Cajun restaurants, Crawfish ...

Crab House has a Viet-Cajun menu inside. The pool is saved for weekends.(Ben Torres / Special Contributor) Crab House Seafood & Oyster Bar is a new Viet-Cajun restaurant in Uptown Dallas.

I lived in Dallas ... Texas defy trendiness. But many of the state’s defining restaurants also reflect the rich multiculturalism of its metropolises. New staples now include Vietnamese-Cajun ...

Carrollton's Koreatown, an ever-growing conglomerate of niche restaurants ... Crab, a Cajun seafood franchise with several locations in California (this is their first in Texas); Churro Alley ...