The key elements of a buttermilk substitute, whether dairy-based or not, are acidity and a liquid, ideally one similar in flavor and composition to buttermilk. Generally, you can mix a small ...
if you don't have a ready supply of buttermilk, you can make a quick substitution for buttermilk by souring some fresh milk. Add 1 tbsp of lemon juice to every 100ml of milk called for in the recipe.
What difference does buttermilk make to the recipe? What can be used as a substitute? Thanks, Tilly Rutherford Buttermilk is a (generally) very low fat ingredient that was traditionally produced ...