Here’s the thing: I don’t keep buttermilk on hand but MOST baking recipes require it. So what do? Buy a whole container of Buttermilk for just one measely cup of it? That stuff is nasty (unless you LIKE sour milk). SO… Prep Time: 5 minutes Total Time: 5 minutes Ingredients: Milk (just under one cup) 1 Tablespoon white vinegar or lemon...