Tomatoes in the jam jarSourced
Tomato preserves have a long printed history
Tomato jam is a preserve made from tomatoes and sugar. An American recipe was published in 1840. Some sandwiches use it in place of fresh tomato. An ingredient associated with savory dishes also has a place in a sweet preserve jar.
The tomato’s route need not end in ketchup.
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Tomato jam · Wikimedia contributors
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Reviewed: 2026-10-05