How Long Does Tomato Paste (Opened) Last?
Canned or tubed tomato paste after opening.
The Short Answer
Tomato Paste (Opened) lasts 5–7 days when stored properly in the fridge. Transfer from the can to an airtight container. For tubes, recap tightly. Freeze leftover paste in tablespoon-sized port
Storage Times for Tomato Paste (Opened)
Source: USDA FoodKeeper | Last verified: March 30, 2026 | Our methodology
How to Store Tomato Paste (Opened)
Transfer from the can to an airtight container. For tubes, recap tightly. Freeze leftover paste in tablespoon-sized portions on parchment paper, then transfer to a freezer bag.
How to Tell if Tomato Paste (Opened) Has Gone Bad
Mold on the surface, dark discoloration, sour or fermented smell, fizzy or bubbly texture.
Freeze leftover tomato paste in an ice cube tray. Each cube is roughly one tablespoon, which is exactly what most recipes call for. Pop out frozen cubes and store in a freezer bag for months.
Frequently Asked Questions
Opened canned tomato paste lasts 5-7 days in the fridge. Transfer it from the can to an airtight container, as the can accelerates oxidation once opened.
Unopened tomato paste often lasts well past its best-by date if stored in a cool pantry. Once opened, the 5-7 day rule applies regardless of the printed date.
The high moisture and sugar content in tomato paste make it a prime environment for mold once exposed to air. Always use a clean spoon and seal the container tightly.
The Bottom Line
Tomato Paste (Opened) keeps for 5–7 days when stored properly. Always check for signs of spoilage before eating, and remember that these times are guidelines, not guarantees. When in doubt, discard it.