The supply chiefly comes from Canada, which supplies 80% of the world's brown ... limiting consumers to a single jar per household. For the French, mustard is a generational kitchen staple.

The popular mustard brand is one of three ingredients in Olivia Wilde's alleged go-to dressing recipe Grey Poupon is taking a bite out of the salad dressing drama. On Thursday, the mustard company ...

But despite its name, the majority of the Dijon mustard that's sold all over the world doesn't come from France. The few jars that do will cost you up to six times more than regular Dijon mustard.