It's a comforting favourite, but can an egg and cress sandwich ever be worth £6? SARAH RAINEY tries M&S's 'posh' version of one of our staple sarnies
![It's a comforting favourite, but can an egg and cress sandwich ever be worth £6? SARAH RAINEY tries M&S's 'posh' version of one of our staple sarnies](https://i.dailymail.co.uk/1s/2024/04/27/11/84159333-0-image-a-17_1714213136867.jpg)
Almost a fifth of Brits say it's their favourite filling. And M&S jumped on the bandwagon this week, with their 'Posh Egg Mayo and Watercress' sandwich - for an eye-watering £6.