3. Sterilizing jars
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To sterilize them, immerse the glass jars in boiling water for a few minutes.
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Allow them to air dry completely.
4. Fill the jars
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Pour the hot tomato puree into sterilized jars.
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If you like, add a few basil leaves.
5. Close the jars
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Close the jars tightly and immerse them in a pot of boiling water for about 30 minutes to create a vacuum.
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Allow them to cool completely, then store in a cool, dry and dark place.
Important precautions
To ensure safe and long-term storage, check jars regularly .
If you notice an unusual odor, discoloration, or bulging lid, do not consume them and discard the contents immediately.
Caution: Insufficient sterilization can result in bacterial contamination (such as botulism). Exercise caution at every step of the process to ensure the safety and flavor of your preserves.
