Cheddar is one of the world's best-known cheeses, taking its name from the village of Cheddar in England's southwest. Will visits the area's famous gorge and caves before travelling to meet the Keen and Montgomery families, the last two farmhouse producers of cloth-bound raw milk cheddar. Here he explores how the original cheese was made, including the all-important cheddaring process. Finally, he meets Randolph Hodgson, of the influential London cheese store Neal's Yard Dairy, to investigate how the best farmhouse cheddar is graded.