In Britain, the humble Bourbon biscuit is a staple in tea-time rituals and biscuit tins across the country.

With its iconic rectangular shape, chocolatey flavour, and distinctive 10 holes across the top, this classic treat has been a favourite for more than a century.

But have you ever wondered why those tiny holes, or “docker holes,” are there?

As it turns out, they’re not just for decoration but play a key role in perfecting the biscuit’s texture and structure.

Mark Greenwell, team…