There is a specific kind of panic that sets in when you're halfway through a batter and realize the buttermilk you were sure you had is either gone or expired. The measuring cup is out. The bowl is waiting. And the recipe, of course, calls for exactly three-quarters of a cup. Most of us have been there. Here's what's worth knowing: buttermilk is not magic. It's acid. And … [Read more...] about 5 Easy Buttermilk Substitutes That Work in Any Baking Recipe