As tariffs churn up trouble for Irish butter exports, TheCity reporter Sara Booth delves into the origins of the spreadable gold.

In Ireland, butter has always been more than just food – it was once seen as a treasure, buried in bogs and preserved for thousands of years. Since then, the Irish have perfected their craft: today, their grass-fed butter is considered the cream of the crop worldwide. In the US especially, Irish butter has become a staple, with Kerrygold ranking as the country’s second most popular butter brand. But with Donald Trump’s unpredictable tariff policies, Ireland’s dairy success could soon face an uncertain future.