Court-bouillon is a richly flavored Creole and Cajun seafood stew, and it’s quite different from the more delicate French broth of the same name. The base of this hearty stew is a combination of roux, the Creole trinity (bell pepper, onion and celery), crushed tomatoes and seafood stock. It’s traditionally prepared with redfish, though you’ll find recipes that incorporate a variety of seafood. Here, mild tilapia or cod are poached in the tomato …