What Is Cultured Butter?

Cultured Butter on a plate

Before it is butter, it is crème fraîche. It sits in our dairy at Cholmondeley, pale and thick, smelling faintly of yoghurt. This is not the finished product. Our cultured butter begins as cream, ripened slowly with live cultures until it becomes crème fraîche, with all the weight and tang and depth you know from a good spoonful on a soup or a tart. Only then does it go to the churn. What we pour in is crème fraîche. What comes out is butte