If you just need a small amount of buttermilk, a lot of people don't want to buy an entire cartoon of buttermilk the grocery store. Plus it is not something that people often have in the refrigerator, meaning if you want to make something at the last minute that calls for buttermilk, you don't really want to run to the grocery store in order to get some. Here's a quick way to make your own buttermilk, with ingredients you most likely already have in your home.

First you need room temperature whole milk. For every 1 cup of room temperature whole milk, add one tablespoon of lemon juice or vinegar. Then let the milk mixture sit for five minutes, then you have a great buttermilk substitute.

Just a word of advice, when buttermilk is used as a flavoring, such as in buttermilk pancakes or biscuits, while the substitute will work to create it, there will definitely be the lack of buttermilk taste that is needed in those kinds are recipes. So in that case, you want to ensure that you are using real buttermilk instead of a substitute.