A funny memory: Days before our wedding in Carcassonne , France, my husband and I were in Toulouse, playing host and hostess to guests arriving early from overseas. Some of my husband's family were joining in these festivities, but the main goal of the pre -nuptial evenings was to introduce my parents, some aunts and cousins, and some close (mostly American) friends to the pleasures of Southwest France. Toulouse, being the home of decadent, rich dishes such as cassoulet , foie gras , and the famous Toulouse sausage, is not necessarily known for seafood, but the rosy-bricked city does lie on a stunning river, the Garonne ; a twilight meal on a " péniche ," or houseboat, seemed just the right way to ease travel-weary guests into the local color and fine dining scene. We decided to take our party to the Bateau Restaurant La Daurade . My husband and I were running a little late that evening, coming as we were from a hellish (for me anyway) legal rendez - vous . The decision...