Earlier this week, M&S took to Instagram to announce the release of Collection Single Origin Dark Chocolate with Mint, which it dubbed ‘the most luxuriously creamy, minty bar you could treat yourself to.’ The new flavour left a bad taste for some though, including elle_em_3 who commented: ‘Dark chocolate haters assemble.’ ‘Why always dark chocolate and not milk chocolate,’ bemoaned one of them, Lily B-Chapman, on Facebook. Despite saying ‘dark mint chocolate is [her] favourite,’ Sarah Cottenden wrote: ‘Sadly I found it too dark and it left a dry after taste.’ The best supermarket chocolate barsThis comes after Metro recently shared the results of a new milk chocolate taste test, pitting supermarket own-brand bars against Cadbury Dairy Milk to see which is the best.