Foie gras
In 2016, it was reported that France produces an estimated 75% of the world's foie gras and southwestern France produces approximately 70% of that total. In 2016, it can retail for upwards of $65 a pound.
Foie gras controversy
"Until new scientific evidence on alternative methods and their welfare aspects is available", the production of foie gras is prohibited by treaty except for "where it is current practice" among 35 countries bound by the Council of Europe's European Convention for the Protection of Animals kept for Farming Purposes.