Tuscan chestnut soup

Not a lot of connection with Soho in this recipe except that it’s going to be on the menu at Frith Street every autumn for as long as I have a restaurant there. While it is indubitably better when made with fresh chestnuts, the sheer labour of roasting and peeling them predisposes me towards either the dried packet type or the vacuum-packed peeled sort. Check that any processed chestnuts you buy are not in any way sweetened.

I have just thought of a connection with Soho: the roast c