hugh fearnley-whittingstall's chestnut and sage soup

Being unable to use my fingers due to the bleeding and discomfort caused by the chestnut shell splinters aside, this is one of the tastiest soups I've ever made. Nothing tastes better than the flavour of scrumped produce:

sources
chestnut and sage soup - Hugh Fearnley-Whittingstall, River Cottage Veg Everyday, p158