How butter became a status symbol in the cost-of-living crisis: TikTok goes wild for £3 cinnamon and chocolate-flavoured spreads - as Japanese thriller about a serial killer obsessed with the dairy product becomes a hit in the UK

In May, All Things Butter - a brand set up by London chef Thomas Straker boasting 100,000 followers on Instagram - managed to secure £2.2m of investment just six months after its launch.