
Trader Joe's is an American chain of grocery stores. The shelf life of its Parmesan cheese has been a topic of discussion among its customers. Some customers have reported issues with the cheese spoiling quickly or developing mould, even before the expiry date. This has been observed in both the grated and shredded varieties. To address this, some customers have suggested storing the cheese in the freezer, which can help extend its shelf life and prevent mould. Others have recommended buying Parmesan cheese in block form and grating it as needed. It is worth noting that Trader Joe's products generally do not contain preservatives, which may contribute to the shorter shelf life of their Parmesan cheese compared to other brands.
| Characteristics | Values |
|---|---|
| Length of time Trader Joe's Parmesan cheese lasts | Several days to a few months, depending on storage conditions and type of cheese (grated, shredded, or block) |
| Storage recommendations | Refrigerate or freeze to extend shelf life; freezing can prevent mold |
| Common issues | Molding, clumping, change in taste or texture |
| Alternative options | Buying Parmesan cheese from other stores or brands, such as Costco or Amazon |
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What You'll Learn

Trader Joe's Parmesan cheese lasts longer when stored in the freezer
Trader Joe's Parmesan cheese can last longer when stored in the freezer. Multiple people have reported that they store their grated or shredded Parmesan cheese in the freezer to prevent it from spoiling or developing mold. This is a useful tip, especially if you don't think you'll finish the cheese before it goes bad.
One person reported that they take out the amount of cheese they need from the freezer and by the time they're done cooking, it's thawed and ready to sprinkle on their food. Another person mentioned that they transfer their grated Parmesan cheese into a freezer bag and store it in the freezer until needed.
Storing Parmesan cheese in the freezer is a convenient way to extend its shelf life and prevent waste. It's important to note that freezing may alter the texture or taste of the cheese, but several people have reported not noticing any significant changes.
Additionally, it's worth mentioning that some people have suggested buying Parmesan cheese in block form and grating it as needed, as pre-shredded cheese contains anti-congealing properties that can affect flavor and texture when cooking.
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The cheese has been reported to spoil quickly
Trader Joe's Parmesan cheese has been reported to spoil quickly. Several customers have complained that the cheese develops mold before the expiry date, with some reporting that it molds within a few days of purchase. This issue has been observed in both the shredded and grated varieties of the cheese.
One possible solution to prevent premature molding is to store the cheese in the freezer. Many customers have reported that they keep their Parmesan cheese in the freezer to extend its shelf life. This method appears to be effective in preventing mold, as the cheese is less susceptible to freezer burn due to its low moisture content.
However, some customers have expressed frustration with having to store their cheese in the freezer, as it takes up valuable freezer space. Additionally, there are mixed opinions on whether freezing affects the texture and taste of the cheese. While some claim that freezing does not alter the cheese's characteristics, others suggest that it can change the texture and taste, making it less desirable.
The issue of premature molding in Trader Joe's Parmesan cheese appears to be widespread, with numerous reports from customers. It is unclear what is causing this issue, but it may be related to a change in the cheese's production or packaging. Some customers have suggested that the lack of preservatives in the cheese could be a contributing factor.
Overall, while Trader Joe's Parmesan cheese is convenient and often priced well, the issue of spoilage has been a significant concern for many customers. Those who wish to avoid the hassle of dealing with moldy cheese may need to consider alternative options or storage methods, such as freezing, to extend the shelf life of the product.
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Customers have complained about mouldy cheese
Trader Joe's has been facing complaints from customers about their Parmesan cheese getting mouldy prematurely. The issue appears to be prevalent in the grated variant, with some customers reporting that the cheese develops mould before the expiry date. This is likely due to a lack of preservatives in the cheese, which is generally absent from real dairy products.
Some customers have suggested storing the cheese in the freezer to prevent mould from forming. This method seems effective, as the low moisture content of Parmesan cheese means it is not susceptible to freezer burn. Others have recommended buying the cheese in block form and grating it as needed, as pre-shredded cheese contains anti-congealing properties that can affect flavour and texture.
It is worth noting that this issue is not limited to Trader Joe's Parmesan cheese, as other varieties of cheese sold by the retailer have also been reported to spoil prematurely. However, the specific concern of mouldy grated Parmesan cheese has prompted customers to take action, such as storing the cheese in the freezer or switching to a different brand or type of cheese.
Trader Joe's has not publicly addressed the issue of mouldy Parmesan cheese. However, some customers have suggested returning the affected products to the store to provide feedback and encourage the company to address the problem. It is unclear if Trader Joe's has made any changes to their Parmesan cheese production or packaging in response to these complaints.
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Trader Joe's doesn't use preservatives in their cheese
Trader Joe's is an American chain of grocery stores that has gained a cult following for its fun, tasty, and reasonably priced products. The company has a brand promise to not use certain preservatives and additives in its private-label products.
While Trader Joe's does not use artificial preservatives in its products, it does use natural preservatives such as sugar, salt, vinegar, celery juice, and rosemary extract. This means that its products may not last as long as those with artificial preservatives, and customers have noticed that some items, such as grated parmesan cheese, spoil quickly. Many customers have taken to storing their cheese in the freezer to prevent it from spoiling.
Trader Joe's also does not use artificial colors, monosodium glutamate (MSG), genetically modified ingredients (GMOs), or partially hydrogenated oils in its products. The company's website states that it does not use these additives because they are "chemically altered" and are not welcomed by many consumers.
By avoiding these additives, Trader Joe's ensures that its products are natural and free from artificial ingredients. This aligns with the company's brand promise and is likely one of the reasons why its customers are so loyal.
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The grated Parmesan cheese comes in a clear container with green-coloured wrapping
Trader Joe's sells grated Parmesan cheese in a clear container with green-coloured wrapping. This product has received mixed reviews online. Some customers have complained about the cheese spoiling quickly and developing mould, even before the expiry date. However, others have praised the product for its flavour and the fact that the cheese doesn't clump.
To prevent spoilage, some customers recommend storing the grated Parmesan cheese in the freezer. This can help extend its shelf life and prevent mould from forming. It is worth noting that the absence of preservatives in Trader Joe's cheese may contribute to its shorter shelf life compared to other brands.
The grated Parmesan cheese from Trader Joe's is available in an 8-ounce package containing two bottles. It has received an average rating of 4.4 out of 5 stars on Amazon, with some customers praising the flavour and texture of the cheese.
Overall, while there have been some concerns about spoilage, many customers continue to enjoy the taste and convenience of Trader Joe's grated Parmesan cheese in the clear container with green-coloured wrapping.
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Frequently asked questions
Trader Joe's Parmesan cheese lasts until the expiry date, but some customers have reported it spoiling before this date.
Some customers have reported storing their cheese in the freezer to make it last longer.
Some customers have reported that their cheese started smelling strange, even before the expiry date. Storing the cheese in the freezer may help to prevent this.

























