Two glasses of buttermilk garnished with mint leaves - Esin Deniz/Shutterstock Buttermilk is a creamy, tangy liquid that can be added to baked goods, pasta dishes, and even features in Ina Garten's ...

So many recipes call for buttermilk: for baking, for marinades, for dips and dressings, and for so many breakfast staples. But rarely do those recipes call for an entire quart, the common carton size ...