You can then place it in sealed glass jars in your refrigerator for several weeks, freeze it in trays for up to nine months, or pressure can make it in small jars for storage for up to a year. Bake it in the oven on cookie sheets until it is thick and liquid is absorbed. Add salt and lemon juice for color preservation and flavor. Run it through a food mill to remove seeds and skins. Combine chopped tomatoes and olive oil and cook it until it is nice and thick. If you have an abundance of tomatoes, you can make your own paste. How Long Does Homemade Tomato Paste Last? While tomato paste in a tube might be a more expensive option, you may end up wasting less product in the long run. Once opened, paste in a tube will last about 45 days in the refrigerator when the top is screwed back on tightly.

Unopened it will stay fresh around six months after the “best by” date as long as it’s stored in a cool place away from heat sources. Tomato paste in a tube follows the same pattern as cans or jars. After that, the flavor may degrade, and the paste may start to discolor or mold. A glass jar with a lid will protect the paste from air longer. It keeps a bit longer than the canned tomato pastes mainly due to its container. If you open the jar and use some of it, it will last seven to ten days in the refrigerator. Similar to cans, tomato paste in a jar will retain quality up to 6 months after its “Best-by” date. If you place the contents in a plastic or glass container with a tight lid, it will keep out more air than in a plastic bag. Once you have opened the can, cover it or place it in another airtight container and place it in the fridge it will keep about 5-7 days. Upon inspection, if the paste passes a smell, texture, or visual look, it is still safe to eat, but it may not taste as fresh. If the can is damaged, open it sooner and check for signs of spoilage. Tomato paste has a “Best-by Date.” As long as the can is not damaged, the tomato paste will be good for about six months after this date. What is the Difference between Tomato Paste and Tomato Puree?.What can I substitute for Tomato Paste?.Can You Get Sick From Eating Old Tomato Paste?.How Do I know if Tomato Paste has Gone Bad?.How long does Tomato Paste Last After it’s been opened?.How Long Does Homemade Tomato Paste Last?.

Tomato paste substitute for thickening