Why it works: Tomato and rice match in chemistry and in kitchens. They rank in the top 6% of all ingredient pairs, and cooks put them together in 3,065 recipes. Both carry trans-2-nonenal, which smells cardboard, fatty. The science ↓
Tomato Rice
Ingredients
Directions
Prepare and cook
Prepare rice as you would for apple rice.
In a pot, combine rice and strained tomato juice.
If desired, add an onion to the pot while cooking.
Cook until rice is tender and liquid is absorbed.
Serve
Serve with fried eggs and greens.
Transcribed from a scanned cookbook and modernised for today's kitchens. Where the book gave no heat or time, or said "a moderate oven", the temperatures and times here may be modern equivalents rather than the book's own figures.
Explore the science
The flavor team
The pairs that carry this dish. Each one is judged two ways: how much their aromas overlap, and how often cooks already put them together.
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Tomato + ricetop 6% of all pairsSmell alikestrongCooked together3,065 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
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Tomato + oniontop 8% of all pairsSmell alikemoderateCooked together20,633 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Onion + ricetop 9% of all pairsSmell alikemoderateCooked together10,433 recipes
Shared aroma: 2,4-decadienal (seaweed).
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Rice + eggtop 28% of all pairsSmell alikemoderateCooked together8,350 recipes
Shared aroma: (e,e)-2,4-decadienal (fatty, deep fried).
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Onion + eggtop 34% of all pairsSmell alikelowCooked together23,333 recipes
Shared aroma: 2,4-decadienal (seaweed).
Onion and egg barely smell alike, yet cooks put them together in 23,333 recipes: they work on texture and structure more than aroma.
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Rice
- Forms the bulk of the dish and absorbs the tomato juice as it cooks until tender.
- Strained canned tomato juice
- Supplies the cooking liquid and tomato flavour, with its acidity seasoning the rice.
- Onion
- Adds savoury aroma and sweetness as it cooks in the pot with the rice.
The step that matters
Cook until rice is tender and liquid is absorbed. Rice absorbs liquid as its starch gelatinises with heat. Stopping too early leaves it firm; cooking too long can make it mushy and sticky. Checking texture rather than only time helps.
Swap the onion
The recipe marks onion as optional. How well each one fits the dish's main ingredients (tomato, rice, egg):
- Capsicumfits better
- Cucumberfits better
- Asparagusfits better
- Onionthe original
Fit is the average pairing score against tomato, rice, egg. Candidates are from the same food group and used in at least 100 recipes.
“What each ingredient does” and “The step that matters” were written by Claude from this recipe’s own method and reviewed in samples by CompKitchen.
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