The inestimable Roquefort, with a history dating back to Roman times, is the most popular blue cheese in France. Up till today, blue cheeses throughout the world still rely on moulds originating in the region’s limestone caves. Will travels to a typical hillside dairy to look at the region’s unique breed of milking ewes before visiting the area’s famous caves, where he is inducted into the Grand Order of Roquefort in a special ceremony.