A Summery Salad Dressing with Buttermilk and Poppy Seeds

Another way to use up leftover buttermilk

Every time a recipe calls for buttermilk, I immediately start thinking of other ways to use it up. While buttermilk has a long shelf life, I feel like it’s always taunting me when I open the refrigerator, just begging to be used. 

I made this alongside ribs and potato salad, and the salad gave a real reprieve to the heavier dishes. I love the tanginess o…