Why does butter not go bad

Ask Question. Asked 11 years, 2 months ago. Active 6 years, 3 months ago. Viewed 21k times. Improve this question. Related: to get maximum time of keeping butter at room temperature, see: cooking. Add a comment. Active Oldest Votes. Actually, the question should be "why do other dairy products spoil so fast? Improve this answer.

Aaronut Aaronut Of course, if you get bread crumbs in the butter, then you're liable to get regular old mold growing on your butter Michael Natkin Michael Natkin Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. You'll know if your butter has spoiled because it'll smell rancid. You might also see some discoloration and changes in texture.

Mold is also another really good sign that your food has turned. But really, if you've been keeping that stick of butter in your fridge for a month or two—especially if its unused—chances are good that you'll be OK using it.

Or, you know, you could always just churn your own butter when you need it and stop worrying about expiration dates all together! That's a joke. You don't have to do that. Extra Crispy Logo. Can Butter Go Bad? Save Pin FB More. The short answer: yes. The long answer? Not as quickly as you think. Air is the enemy of butter, because it oxidizes the fat and makes it spoil. For me, it was an odd, stale, bitter taste with a slightly funky smell.

I knew immediately. Does butter go bad?