Piedmont Chestnut Soup The Christmas Song starts with the lyric "Chestnuts roasting on an open fire." The first time I ever heard that song was at a studio recording of The Mike Yarwood Christmas Show in London many years ago (Mike Yarwood - where is he now?). When planning the Christmas menus with the spouse, I thought, "Mmmm, chestnuts." There are two recipes for chestnut soup in the The Soup Book , the first of which was my choice for Christmas day. I started preparing it on Christmas eve, the spouse having had to go out to get another bag of chestnuts. The recipe for Piedmont chestnut soup is by Sophie Grigson, who warns that you need to allow time for peeling. I'd like to follow that up with a nail health warning: the nailbeds of my thumbs are very sore from peeling the chestnuts! I even put nail varnish on to hide the tear marks. Enough moaning - it's Christmas. The ingredients for the soup include chicken stock (home-made), thyme, bay leave...