Buttermilk
Storage & Shelf Life: How long does buttermilk last?
The shelf life of buttermilk depends on factors like storage conditions, packaging, and whether it’s opened or unopened. Proper refrigeration or storage can help extend freshness, while freezing can be an option for longer preservation. Knowing the typical expiration timeline and signs of spoilage can help prevent waste and ensure food safety. Learn the best storage methods and how to tell if buttermilk has gone bad.
How long does buttermilk last?
🧊 Fridge Life
7-14 days after opening
❄️ Freezer Life
90 days (3 months), but texture may separate after thawing
☀️ Room Temp Life
2 hours max before bacterial growth risk
What’s the best way to store buttermilk?
Keep in its original sealed container or transfer to an airtight glass or plastic bottle. Shake well before use, as separation is natural. Store in the coldest part of the fridge, not the door.
How can you tell if buttermilk has gone bad?
Sour or rancid smell, curdling or thick clumps, visible mold, or off taste.
What’s the best container for storing buttermilk?
Original sealed carton, airtight glass jars, or plastic containers.
How can you tell when buttermilk has expired?
Unopened buttermilk can last up to 2 weeks past the printed date if stored properly. Once opened, consume within 7-14 days. If it smells rancid or has excessive separation, discard it.