Michelle Darmody: How to make American-style buttermilk biscuits to enjoy with soup

Buttermilk is a key ingredient in some of our most beloved Irish recipes

Buttermilk biscuits

Buttermilk has a long history in Ireland. It was originally a by-product of churning butter. The liquid was popular because it was mild and sweet and had greater longevity than milk. 

Today most buttermilk is cultured and produced separately to butter; it is a product in and of itself. While it can be drunk, most people tend to use it in baking or cooking.