Can you freeze buttermilk?
Yes. The USDA FoodKeeper lists buttermilk for up to 3 months in the freezer, against 1 to 2 weeks in the refrigerator. NDSU Extension warns that soured dairy such as buttermilk loses its smooth texture when frozen, so it may turn grainy or separate, but it can still be used for cooking.
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In this article
How long can you freeze buttermilk?
The USDA FoodKeeper gives 3 months in the freezer for buttermilk. The same entry gives 1 to 2 weeks in the refrigerator, so freezing is the way to keep a carton you will not finish. Freeze it before it goes off, not after.
What happens to buttermilk when it is frozen?
NDSU Extension says all of the cultured, soured dairy products, a group that includes buttermilk, sour cream and yogurt, lose their smooth texture when frozen. After thawing they can be grainy and sometimes separate. NDSU adds that they can still be used for cooking.
That points to use in baking, pancakes and batters rather than drinking or dressings, where texture matters more. This use is our reading of the NDSU note, not a rule from the source.
Can you freeze buttermilk in its original carton?
We found no official source that answers this, so we cannot confirm it. A frozen liquid expands, so many people leave headroom or pour it into a freezer-safe container. That is general practice and not a statement from the sources above.
Does shaking fix thawed buttermilk?
NDSU says stirring or shaking may help restore smoothness for frozen milk. It does not say this for buttermilk, so treat it as worth trying but not guaranteed.
People also ask
Can buttermilk be frozen?
Yes. The USDA FoodKeeper lists 3 months in the freezer for buttermilk.
How long can I freeze buttermilk?
The USDA FoodKeeper lists 3 months. In the refrigerator it lists 1 to 2 weeks.
Why does thawed buttermilk look grainy?
NDSU Extension says cultured, soured dairy products lose their smooth texture when frozen and can turn grainy or separate. They can still be used for cooking.
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