USDA FoodKeeper – Cold Storage Guidelines
Official refrigerator, freezer, and pantry timelines maintained by the U.S. Department of Agriculture.
Visit USDA FoodKeeperStorage conditions, initial freshness, and proper handling change the answer — and those details are easy to miss.
Last 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


This food is often safe when handled and stored properly, but safety depends on how it's been kept and whether any spoilage signs are present.
⏱️ Safe for up to 180 days after expiry if properly stored and showing no spoilage signs.
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Freezer
-18°C (0°F)
Keep in original packaging or airtight bag
Freezer temperature consistency matters for food quality and safety. A freezer thermometer (Amazon) helps ensure your freezer maintains proper freezing conditions (0°F or below).
365 days
Excessive ice crystals, freezer burn, dry crust
Proper freezer storage helps maintain food quality. Using freezer-safe containers (Amazon) can help prevent freezer burn and protect against contamination.
Use as pizza bread or croutons
Fresh pizza, flatbread
The expiration date on a frozen pizza indicates the date until which the pizza is expected to remain safe to eat. Beyond this date, there may be a risk of the pizza spoiling or developing off-flavors. On the other hand, the 'best quality by' date refers to the timeframe within which the pizza is expected to retain its optimal taste, texture, and quality. It is generally safe to consume a frozen pizza past its 'best quality by' date as long as it has been stored properly and shows no signs of spoilage.
To check if frozen pizza has gone bad, look for any signs of freezer burn like ice crystals or dry, discolored patches on the pizza. Check for any unusual or off-putting smells, as a sour or rancid odor indicates spoilage. Lastly, feel the texture of the pizza dough and toppings - if they appear mushy, slimy, or have an unusual texture, it's best to discard the pizza.
Frozen pizzas can pose risks of foodborne illnesses if not handled and cooked properly. It is important to ensure that the pizza is cooked thoroughly to kill any harmful bacteria that may be present. Be cautious when handling frozen pizzas to prevent cross-contamination with other foods.
To optimize the storage of frozen pizzas, it is recommended to keep them in the coldest part of the freezer to maintain their quality. Store the pizzas flat to prevent toppings from shifting or becoming misshapen. Additionally, wrapping the pizza in an extra layer of plastic wrap or aluminum foil can help prevent freezer burn and maintain freshness. When reheating frozen pizza, consider using a preheated pizza stone or a hot pizza oven to achieve a crisp crust and evenly melted toppings.
Frozen pizzas have become a popular convenience food in many cultures around the world. They offer a quick and easy meal option for busy individuals or families. In the United States, frozen pizzas have become a staple in many households, with various brands offering a wide range of flavors and toppings to suit different preferences. In Italy, the birthplace of pizza, frozen pizzas are also available but may not always align with traditional Italian pizza-making techniques.
Once opened, Frozen Pizza can typically be safely consumed within 3-4 days if stored properly in the refrigerator. Ensure to cover the remaining pizza with plastic wrap or transfer it to an airtight container to maintain its freshness.
Frozen Pizza should not be consumed if it has been left at room temperature for more than 2 hours. Bacteria can multiply rapidly at room temperature, increasing the risk of foodborne illnesses. It's best to discard any pizza that has been left out for an extended period.
The type of container can impact the shelf life of Frozen Pizza. Airtight containers or vacuum-sealed packaging can help prolong the pizza's freshness by reducing exposure to air and moisture. Avoid storing Frozen Pizza in containers with poor seals or non-food-grade materials, as they may affect the taste and texture.
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 ExtensionImportant: 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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