How to Know When Feta Cheese Has Gone Bad
Sure, look at the date, but don’t be a slave to it. Feta can sometimes outlast its printed date if the brine is strong and your fridge is cold enough. But if you’ve kept it for more than two weeks after opening, start checking in with your senses.
Should Feta Cheese Smell? Or Does It Mean It's Gone Bad?
Remember: “Best by” doesn’t mean “dead by.” It’s more of a gentle suggestion—like that friend who always says “maybe” to your plans.
The Bite of Truth
If you’ve passed the smell and look tests, you can take a tiny taste. A bad feta will be overwhelmingly sour, bitter, or have a gritty, unpleasant texture. Good feta is tangy and salty, but still bright—like a lemon’s cheerful cousin.
And here’s a fun tip: if you ever doubt, just crumble a bit into hot water. Bad feta will turn the water cloudy and stinky almost instantly. Good feta will just look like milky bathwater—and that’s actually a good sign!