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.
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Check Your Exact Situation

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 14 days after expiry if properly stored and showing no spoilage signs.
Fridge
4°C (40°F)
Store in airtight container after opening
30 days
365 days
Mold, off smell, separation
Use in soups or sauces
Tomato sauce, canned diced tomatoes
The expiration date on a can or jar of tomato paste indicates the date until which the product is expected to remain at its peak quality in terms of flavor, color, and texture. Consuming tomato paste beyond the expiration date may not necessarily pose a health risk, but its quality may deteriorate, affecting the taste and overall sensory experience. It is recommended to use the product before the expiration date for optimal quality.
To determine if tomato paste has gone bad, look for any signs of mold growth, discoloration, or an off smell. Fresh tomato paste should have a vibrant red color and a smooth, thick consistency. If you notice any unusual changes in color, texture, or smell, it is best to discard the tomato paste to avoid any potential foodborne illnesses.
Tomato paste, being a processed product, is generally considered safe when handled and stored properly. However, there is a risk of contamination if the product is exposed to unsanitary conditions during processing or packaging. To minimize the risk of foodborne illness, always check for signs of spoilage such as off odor, mold growth, or unusual color before consuming.
To optimize the storage of tomato paste, it is best to transfer any unused portion from the can or jar into an airtight container to maintain freshness. Store the container in the refrigerator to prolong its shelf life, as cold temperatures help slow down the degradation process. Alternatively, you can freeze tomato paste in an ice cube tray for convenient portioning. Simply transfer the frozen cubes to a freezer-safe bag for long-term storage. Remember to label the container with the date to keep track of its freshness.
Tomato paste is a staple ingredient in many cuisines around the world, especially in Italian, Mediterranean, and Latin American dishes. It is known for its rich umami flavor and thick consistency, which adds depth and complexity to various recipes. In Italian cuisine, tomato paste is a key ingredient in pasta sauces like marinara and bolognese. In some cultures, tomato paste is used as a base for soups, stews, and braised dishes, enhancing the overall flavor profile of the dish.
Once opened, Tomato Paste can be safely consumed for up to 7 days if stored in the refrigerator. Make sure to seal the container tightly after each use to maintain freshness and prevent contamination.
Tomato Paste should not be left at room temperature for more than 2 hours to ensure food safety. If it has been sitting out longer, it's best to discard it to avoid the risk of bacterial growth and foodborne illness.
The type of container can impact Tomato Paste's shelf life. Opt for airtight containers or jars to maintain freshness and prevent contamination. Avoid storing Tomato Paste in metal cans once opened, as it can affect the taste and quality.
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.