Does buttermilk go bad? The definitive guide explained
– Buttermilk has a longer shelf life than fresh milk due to the abundance of lactic acid which inhibits the growth of harmful bacteria.
– The specific shelf life of buttermilk is not precise, but guidelines from agricultural programs recommend consuming it within three weeks from the date stamped on the package.
– In the test kitchen, they found that buttermilk won’t turn bad with mold growth until at least three weeks after opening.
– Buttermilk can be frozen and can be easily stored in an ice cube tray and transferred to a zipper-lock bag for future use.
– The dairy farm recommends consuming their buttermilk within five to seven days after opening.