Can you freeze Buttermilk?
Yes. Buttermilk keeps 3–4 months in the freezer when stored in airtight packaging.
Full storage times for Buttermilk
See fridge, freezer, and pantry durations on the Buttermilk shelf life page, or read our guide to preventing freezer burn.
Freezing guidance is based on the cited USDA/FDA storage references on the Buttermilk shelf life page. Last verified 2026-06-21 by the FoodLasts Editorial Team.