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.
French fries
The town of Florenceville-Bristol, New Brunswick, headquarters of McCain Foods, calls itself "the French fry capital of the world" and also hosts a museum about potatoes called "Potato World". It is also one of the world's largest manufacturers of frozen French fries and other potato specialties.