Coronation Chicken is my FAVOURITE sandwich filling of all time. OF ALL TIME!! Ahem. I channelled my inner Kanye there. Soz. But that doesn’t change the fact that I love Coronation Chicken, and if the option to have it there I will nearly always have it over any other kind of sandwich. Coronation Chicken was initally created for the coronation of Queen Elizabeth II in 1953, and it is a…