Considering that we all have canned crushed tomatoes and tomato sauce in our pantries, achilles007 wonders: What's the purpose of tomato paste? Well, Dirtywextraolives explains, tomato paste is a concentrated version of those other products, a source of flavor, body, unctuousness, and umami without extra liquid. It can even act as a binder for sauces. LauraGrace buys tomato paste in the squeeze tube for maximum convenience, or buys it in the can and freezes what she doesn't use in individual portions.
Discuss: Tomato Paste: What Is It Good For?
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