Bacon Sandwich with HG Walter's organic bacon and Lantana tomato chutney on white sourdough bread. £6 of great grub at Lantana Cafe, W1.
See also http://greatcafes.blogspot.com/2011/12/sex-drugs-bacon-rolls.html and http://greatcafes.blogspot.com/2011/10/75p-bacon-buttie.html