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My boyfriend says parmesan sprinkle cheese is bad because it has been in the refrigerator for a long time. But I still use it long past it's date and don't seem to have any problems with it. What do you think?

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6 Answers 6

It lasts a long while as long as it's stored properly. I use mine up too fast to have a problem. You may want to freeze half so you don't end up wasting it. It freezes very well.

Hard cheeses naturally contain a lot of salt. I buy the store brand and it contains no preservatives, just cheese and cellulose as a non-caking agent.

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Use-by dates are set as the very minimum time that the product in question will be good for, provided that it is stored properly.

In addition, and as a general rule, because Parmesan is a dry, hard cheese, with very low water content, the use-by date is almost always far shorter than the actual time that the cheese will be good for, again, provided proper storage.

By "parmesan sprinkle cheese", I assume you are referring to the ones that come in a parmesan-wheel shaped box, such as this:

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Their shelf life is far longer than their expiry date, and I would not be worried about using it beyond that date. However, for those boxes, most manufacturers tend to use the youngest cheese possible (for Parmesan this means 12 months), meaning it has not had as much time to age (some parmesan is aged for as long as 36 months, and some manufacturers age it for even longer than that), meaning that there isn't much flavor in it.

Personally, I stopped using the boxes a few years back, when I realized that I used far more than I would if I simply used a grater and a piece of parmesan, meaning that it I spend less (if memory serves, I calculated the annual savings to something like 300 Norwegian Kroner/50 US Dollar) on parmesan, getting more, and I think better, flavor from it.

It should be noted that my family uses a LOT of parmesan (depending on how often we have guests, we go through anywhere from 1/4 kg to 1 kg per month), so the savings argument may not hold true for you.

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I assumed OP was talking about: media.lehighvalleylive.com/breaking-news_impact/photo/… –  Preston Fitzgerald Nov 20 at 11:37

The rule with hard cheeses is you don't want to eat the moldy bits. This is easy to avoid when the cheese is in a block because you can just cut the moldy part off. With already ground cheese, the whole can is suspect the second you see any mold at all. That said, the agreed upon time is 3 months past the date on the package. I've used the cheese for longer than that myself but I can't recommend doing so.

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I've also used the cheese for longer and although it still seems to be safe (assuming it's the Kraft cheese, with a ton of preservatives), but develops a very distinctive off-flavour after a long enough time. I don't think it's rancidity, or even mold, it just tastes like cardboard. –  Aaronut Dec 3 '11 at 17:37

Cans of cheese sprinkles are made to be shelf-stable for a longer time than fresh or block cheese (often, this is because the sprinkles are not made with real cheese -- or, if they are, then they also contain a lot of preservatives). The sprinkles should be safe to eat at least through their expiration date if stored properly. That said, any fat in the sprinkles can go rancid and mold can take hold well before the expiration date. If the contents of the can smell bad or the color of the sprinkle changes, don't take any chances; the cost of replacing the can is far lower than the cost of sickness.

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Gee, I just used mine about a month or so back and am using it again today; it's Kraft Parmesan Romano blend, its' expiration was June 2011. It was refrigerated and had no odor, bad taste or odd coloring going on.

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As with honey > Parmesean Cheese (grated, in a Kraft container) > it can last a period of time, well beyond it's stamped date. First sign of degradation is scent and then discoloration. Basically Parmsean simply drains the moisture out of whatever dish it's used on.

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