Most of us usually have a few sticks of butter in the refrigerator, and it’s not always easy to keep track of how long they’ve been there.


Are we keeping butter too long? Could we do a better job of keeping it fresh? Food scientists have several suggestions.


Butter Shelf Life
Butter, unopened1-2 months9 months
Butter, opened2-3 weeks- -
Boyer, Renee, and Julie McKinney. "Food Storage Guidelines for Consumers." Virginia Cooperative Extension (2009): n. pag. Web. 7 Dec 2009.

Assistant Professor Franco Milani, Department of Food Science, University of Wisconsin

Specific Butter Products


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