At Christie’s Seafood & Steak, the longest-running restaurant in the greater Houston area, the walls showcase over 106 years of history. Founded in 1917 by Greek immigrant Theodore Christie, the restaurant is now helmed by the third generation of the Christie family, with Alexandra as the owner and her daughter Maria as the general manager. Originally named Christie’s Café, the establishment first earned acclaim for Christie’s signature trout sandwich. It’s the prototype of the menu’s current star: the fried Gulf snapper sandwich, which retains the original breading and seasoning. The…