Why Canned Tomatoes Always Come Pre-Cooked - Chowhound

Mironov Vladimir/Shutterstock Canned tomatoes, whether whole, crushed, or pureed, are a regular in almost every cupboard. They may not last as long as other canned foods because of their high acidity, so canned tomatoes still hold peak flavor for about 18 months — this should still be plenty of time to use them. Although many tomatoes are actually placed in the can fresh, they still end up getting a bit of a…