Picture the scene.  You plan a long-overdue visit to one of your favourite restaurants.  You sit down, browse the menu and immediately spot an amazing sounding dish.  This is definitely what you are going to order and you can’t wait to tuck in.  But then – disaster! The waitress informs you that it’s not actually available.  A mistake was made and the menu is incorrect.  Sad times….  This is exactly what happened on my visit to The Holly Bush in Hampstead and, needless to say, I was more than a little irritated.  However, all was not lost.  This story does have a happy ending… The Holly Bush is a wonderful pub.…