Buttermilk is an all-star ingredient in baking and cooking, but what is buttermilk, exactly, and how do you make it? Learn how to make buttermilk substitutes, how to make real homemade buttermilk, and what recipes buttermilk is used for, including biscuits, pancakes, fried chicken, ranch dressing, and more.
https://www.countryliving.com/food-drinks/a30273717/what-is-buttermilk/