This #HotCrossBun BLT from M&S is, apparently, controversial.
I've been making #BaconSandwiches with hot cross buns for years. No lettuce or tomato, mind you, and just a plain hot cross bun, not a flavoured one.
https://www.liverpoolecho.co.uk/whats-on/shopping/ms-shoppers-disbelief-over-random-26373231