what is the purpose of buttermilk in baking?
<answer> It is made by adding culture to milk, much like yogurt, is most commonly used for baked goods. <context> The Purpose of Buttermilk in Baking. Buttermilk, made by adding culture to milk, much like yogurt, is most commonly used for baked goods, including quick breads, such as biscuits and muffins. Buttermilk has a very pronounced tangy taste and thick texture, which comes from the presence of lactic acid.