How long does buttermilk last

  • on September 4, 2020
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It’s widely consumed as a drink, made into cheese, added to sauces,dips to add to tangy flavor and smoother consistency. Due to its tangy flavor, the people complain about buttermilk gone bad and of no use to them.

There are 2 types of buttermilk

Cultured: Cultured buttermilk is the one which is bought over the grocery counter

Traditional Traditional buttermilk is manufactured at farms.

Cultured buttermilk is  made during the process just as curd. Cultured buttermilk is more tangy as compared to traditional buttermilk due to lactic acid present in it. 

Though cultured buttermilk is available in many stores but the chefs and culinary experts rely on traditional buttermilk for that texture and flavor.

Shelf life –  Keeping an eye on shelf life of the buttermilk can ensure the safest and best product.

Buttermilk may last for 14 days as it is kept in the fridge after it has been opened but lasts more one week if left unopened. However, it is always advised to use it as soon as possible.

How to check whether buttermilk has gone bad??

  • Visible mold
  • Bad/ strong  odour
  • Discoloration
  • Thickening or chunks

How to extend your buttermilk shelf life-

  • Proper handling
  • No direct contact with lip of the bottle
  • No dirty hands
  • Avoid consuming directly from it.
  • Keeping buttermilk at temperature below 44 degree F
  • Avoid keeping at door of the fridge due to temperature fluctuations
  • Avoid keeping it at room temperature
  • If concerned about food wastage,buy small size and use within shelf life.
  • Keep for 3 months in the freezer for maintaining the quality of buttermilk and it can extend beyond that.


Buttermilk is the delicious and tangy beverage which also blends well with baking and cooking applications. Use it diligently and within its expiry. If it smells bad, change in color, odour, the best, way to throw rather than get sick. Better safe than sorry!!

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