We’re also sharing our favorite buttermilk recipes and tips for storing leftover buttermilk for up to 6 months.
What Is Buttermilk?
In the beginning, buttermilk was merely the liquid left behind after churning cultured butter.
Credit:Blaine Moats
Todays commercial buttermilk is made by adding lactic acid to pasteurized, homogenized milk.
This causes the milk to thicken and sour.
Buttermilk is thick and creamy with a mildly acidic taste.
What Is Buttermilk Used For?
Buttermilks acidity works with baking soda to leaven quick breads, cakes, and other baked goods.
And buttermilks thick consistency and tart taste add body and flavor tosalad dressingsand dips.
Buttermilk Substitute
A common substitute for buttermilk has long been sour milk.
To make 1 cup of your own sour milk, add 1 Tbsp.
lemon juice or vinegar to a liquid measuring cup.
Add enough milk to make 1 cup total liquid.
Stir and let stand 5 minutes before using.
How Long Does Buttermilk Last?
When stored properly, buttermilk can last a long time in the fridge.
A fresh unopened bottle will last for about 3 or 4 weeks in the fridge.
Once open, use the buttermilk within 7-10 days.
Youll know it has gone bad if the texture is chunky or grainy, and it smells off.
Always shake the carton before using because the milk solids tend to settle.
Can You Freeze Buttermilk?
For this reason, thawed buttermilk is best used in cooked or baked dishes, rather than dips.
Here are some of our favorite ways to use buttermilk.
