👉 Buttermilk is a type of milk that comes from cows, specifically from the Buttermilk herd. It is a thickened milk alternative to regular milk and is often used in baking, as it has a slightly sweet taste and can be used as a substitute for butter. The term "buttermilk" refers to the milk produced by cows that are fed special food called buttermilk feed, which contains enzymes and other nutrients that help break down proteins. This milk is then mixed with water