Share 'The Biarritz chocolate train'

How do I explain this one? A sixth sense for cacao? An exquisitely attuned nose that enables me to detect almond paste from over 400 miles away? Faith that any place in France is going to have to-die-for bonbons? When I booked my trip to Biarritz, I knew rugby, pelote and thalassotherapy spa treatments were big. But I had no idea that the region had a storied chocolate history. I swear. It was…