Title: How to Make Buttermilk
Headings: How to Make Buttermilk
How to Make Buttermilk
Your Pancakes Will Thank You
What Does Buttermilk Do?
How to Make Buttermilk With Vinegar or Lemon Juice
How to Make Buttermilk From Yogurt
How to Make Cultured Buttermilk
"But if I had buttermilk, I wouldn't need to make my own buttermilk!"
How to Make Homemade Buttermilk From Store-Bought
How to Make Homemade Buttermilk From Active Culture
Other Common Buttermilk Substitutes
Buttermilk Equivalents and Measures

Content: As we noted, this method will not give you a true cultured buttermilk, but rather, acidified buttermilk. This means you can use it in a recipe for biscuits or pancakes or the like, and the acid will activate the baking powder or baking soda just as it should. The Spruce / Zorica Lakonic
How to Make Buttermilk From Yogurt
Another fast and simple method calls for taking 3/4 cup of yogurt or sour cream and thinning it out with 1/4 cup of milk (or even plain water). This will make a cup of "buttermilk," although just like the first method, it's not a true buttermilk, but it will be an adequate substitute in whatever recipe calls for buttermilk. How to Make Cultured Buttermilk
If you aren't in a big hurry or if you're just interested in the process, here's how you can make your own cultured buttermilk from scratch. Unlike the two methods described above, which simply involve adding an acid to milk and letting it curdle, the methods described below will give you true, cultured buttermilk. Just take note that If you want to make a true cultured buttermilk, which is what you buy at the store, it will take about 24 hours and you will need to start with either an active buttermilk culture or a cup of actual cultured buttermilk. This is great for if you ever have a little bit of leftover buttermilk from a previous recipe that you don't need and you don't want to pour it down the sink. Instead, you can use this method, similarly to how one extends sourdough starter, and create more. "But if I had buttermilk, I wouldn't need to make my own buttermilk!"