The shelf life of sliced provolone cheese in the fridge once it's opened and unused can vary based on various factors, including the storage conditions and the quality of the cheese at the time of purchase. In general, you can follow these guidelines:
Expiration Date: Check the expiration date on the packaging. This date indicates the time until which the cheese is expected to remain at its best quality. Make sure to consume the cheese before this date if possible.
Packaging: If the provolone cheese is still in its original packaging, it usually comes with a "use by" or "best by" date. Consume the cheese before this date for the best quality.
Odor and Appearance: If the cheese develops an unusual odor, mold, or shows signs of spoilage like discoloration or sliminess, it's best to discard it regardless of the date.
Storage: Proper storage is crucial for maintaining the freshness of the cheese. Keep the sliced provolone in an airtight container or resealable bag to minimize exposure to air, which can lead to faster spoilage.
Temperature: Store the cheese in the coldest part of the refrigerator, typically the main compartment or the cheese drawer. The temperature should be maintained at around 40°F (4°C) or below.
Based on these guidelines, sliced provolone cheese can typically last for about 1 to 2 weeks in the refrigerator after it's opened and unused. However, remember that these are only general estimates, and the actual shelf life can vary depending on the factors mentioned above.
If you have any doubts about the freshness or safety of the cheese, it's better to err on the side of caution and discard it. Always trust your senses and follow proper storage practices to extend the shelf life of the cheese and reduce the risk of foodborne illnesses.