USDA FoodKeeper – Cold Storage Guidelines
Official refrigerator, freezer, and pantry timelines maintained by the U.S. Department of Agriculture.
Visit USDA FoodKeeperLast reviewed: January 2026
Reviewed by the Can I Eat Expired Editorial Team using official USDA, FDA, and CDC food safety guidance. How we assess food safety risk
Storage temperature, how long it has been opened, and package integrity change the answer — and those details are easy to miss.
Get a yes / no answer for your fontina cheese sold in wrapped block →
Check Your Exact SituationMay be safe if properly stored and showing no spoilage signs. Check carefully before consuming.
⏱️ Safe for up to 3 days after expiry if properly stored and showing no spoilage signs.


Fridge
35-38°F (1.7-3.3°C)
Wrap in wax paper and place in airtight container
Dairy products require consistent cold storage (40°F or below) to prevent spoilage. A refrigerator thermometer (Amazon) helps ensure your refrigerator maintains safe temperatures.
14 days
30 days
Mold growth, slimy texture, sour smell
Transferring opened dairy into an airtight container (Amazon) can reduce odor absorption and moisture exposure.
Grilled cheese sandwiches, cheese fondue
Gruyère cheese, Emmental cheese
Fontina cheese degrades over time due to factors like moisture loss and mold growth. While the expiration date indicates safety, the best quality of Fontina cheese is usually before the expiration date. As the cheese ages, it may become drier, develop off-flavors, or mold. It is recommended to consume Fontina cheese within a reasonable period after opening to enjoy its optimal taste and texture.
To determine if opened Fontina cheese has gone bad, look for any mold growth, a strong unpleasant smell, or a slimy texture. If you notice any of these signs, it is best to discard the cheese to avoid potential foodborne illnesses.
Fontina cheese, like other dairy products, can pose risks of foodborne illnesses if not handled properly. Common pathogens associated with cheese include Listeria monocytogenes and Salmonella. To prevent contamination, it is crucial to store Fontina cheese at the correct temperature, avoid cross-contamination with raw foods, and consume it before the expiration date. High-risk scenarios include leaving the cheese at room temperature for an extended period or consuming unpasteurized varieties.
To maintain Fontina cheese's quality, store it in the refrigerator at around 35-40°F (1.6-4.4°C) wrapped in parchment paper or wax paper to allow it to breathe. Avoid storing it in plastic wrap as it can trap moisture and promote mold growth. Before consuming, it is recommended to let the cheese come to room temperature for optimal flavor. If mold develops on the surface, you can cut it off before consuming the remaining cheese.
Fontina cheese has a rich history dating back to the 12th century in the Aosta Valley of Italy. It is a PDO (Protected Designation of Origin) cheese, meaning it must be produced in specific regions following traditional methods. Fontina is a key ingredient in many Italian dishes like fonduta and risotto. In the US, it gained popularity for its creamy texture and nutty flavor, making it a versatile cheese for culinary creations.
Once opened, Fontina Cheese Sold in Wrapped Block can be safely consumed within 7 days if stored properly in the fridge. Ensure it is tightly wrapped or stored in an airtight container to maintain freshness and prevent spoilage.
It's recommended to keep Fontina Cheese Sold in Wrapped Block in its original wrapping or in an airtight container to maintain its quality and prevent absorption of odors from other foods in the fridge. Using a different container may affect its shelf life and taste.
Freezing Fontina Cheese Sold in Wrapped Block can alter its texture, causing it to become crumbly or slightly grainy upon thawing. While it's still safe to eat after freezing, the texture may not be as desirable for direct consumption. Consider using thawed Fontina Cheese in cooked dishes like casseroles or sauces where texture is less important.
Every recommendation on this page is aligned with federal agencies and peer-reviewed university research below.
Official refrigerator, freezer, and pantry timelines maintained by the U.S. Department of Agriculture.
Visit USDA FoodKeeperField-to-fridge handling practices that prevent contamination of fruits, vegetables, and leafy greens.
Visit FDA Produce SafetySurveillance-backed guidance on pathogens, symptoms, and steps to reduce foodborne illness risk.
Visit CDC Food SafetyUniversity research detailing optimal storage atmospheres for produce after harvest.
Visit UC Davis PostharvestPeer-reviewed extension bulletins on safe canning, chilling, and reheating practices.
Visit Penn State ExtensionStorage: Fridge
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Important: These are general guidelines based on authoritative sources listed above. Always use your best judgment and when in doubt, throw it out.
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