Things rated a 'B+' may have a few harmful qualities to pay attention to. Processed packaged shredded cheeses are not only more expensive but often contain corn starch, potato starch and artificial additives that prevent clumping. Extra sharp cheddar is aged for at least 15 months. Suggest improvement or correction to this article Suggest improvement or correction. While technically some hard cheeses can get by being stored in the pantry, their quality would drop much faster than if they sat in the fridge. Can Hard Cheese Go Bad? Harmful to your health. Firm cheeses like Cheddar retain quality for about 4 to 6 months unopened, and then 3 to 4 weeks after opening.Hard cheeses like Parmesan or Pecorino keep well for even longer, … If you know you won’t finish the block before its quality deteriorates, freezing is another option. We use some social sharing plugins, to allow you to share certain pages of our website on social media. I've had cheddar refrigerated in a ziplock bag for about 2 weeks now. *Past the labeled experation date. Perhaps the easiest way to tell whether your cheese has gone bad is to look at it. Can Hard Cheese Go Bad? Every dog we’ve ever met has loved cheese, so yours might too! It is important to note that even the best things in life can become bad in immoderate amounts. Things rated a 'B' may have some harmful qualities to pay attention to. If you don’t want to end up wasting your money by throwing out unused cheese, it is important to know how to tell if your cheese has gone bad. Category 'F' is for things that fail to bring anything beneficial to the table, and are very harmful to your health. Thank you! And you can’t remove just the moldy part either. They both have a sort of sharp bite to my palate, although Cheddar has way more tang where Gruyere is smoother and nuttier. You can access and change your cookie preferences at any time by clicking "Data Protection Settings" icon in the lower left corner of our website. If you see a bit of surface mold, cut around a quarter inch off the side of the cheese with the mold. Long-term side effects of 'F' items are usually very serious. Very healthy and numerous health benefits. Especially since there are moldy cheeses that you can buy. Cheddar stored in the refrigerator can last one to two months past the date on the package. The best cheese for a salad topping depends both on the other ingredients in the salad and your own personal tastes. Very healthy and numerous health benefits. Hard cheese has a quite long shelf life, and if that’s not enough, you can easily freeze it. Sharp cheddar, a harder cheese than the mild, usually ages about nine months before it is sold. How Long Does Hard Cheese Last. Italian food simply isn't Italian food without some cheese added to it.