When Jeff Thompson moved to Birmingham from Louisiana in the early 1990s, his first order of business was to assess the local dining scene. That’s when he discovered a glaring void that made it virtually impossible for him to call Alabama home.“There was no Cajun food at all, and I just can’t live without my crawfish!” Thompson said, laughing through his thick Louisiana drawl. “It was either do something about it or go home. This was a deal-killer.”