Quand le burger se met à table

"Le hamburger et les Franc¸ais" sounds like a funny love story. How a simple meat sandwich from America became one of our favorite dishes. Every year, over 1.7 billion burgers are eaten in France. This snack has displaced the old bistro companion, the famous ham and butter, from our tables. It has even become the "cash machine" of France's best brasseries. Some catering chains are focusing on more gourmet versions, using fresh produce. But what is the nutritional quality of these new products?