ADAM Boulton has just lifted the lid on the reality behind the urban myth that Peter Mandelson once mistook mushy peas for guacamole in a chip shop.

The incident occurred, said Adam on Sky News, but it was an unnamed American researcher who made the mistake, not Mandelson. The story grew legs, apparently, because Peter’s good friend Neil Kinnock spread it round (the rumour, not the guacamole…).