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 Soup
Ingredients
Directions
Prepare
Cook the tomatoes until tender, then rub them through a sieve.
In the meantime, boil the rice until tender.
Make the soup
Bring the milk to a boil in a separate pot.
Add the butter to the boiling milk, then stir in the tomatoes and rice.
Do not let the mixture boil after adding the tomatoes and rice to prevent curdling.
Season with salt and pepper to taste.
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.
Photo for illustrative purposes only · Contact us to use it
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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Milk + buttertop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Rice + milktop 7% of all pairsSmell alikemoderateCooked together7,374 recipes
Shared aroma: 2-nonenal (fatty, green).
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Tomato + peppertop 7% of all pairsSmell alikemoderateCooked together17,923 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Rice + peppertop 12% of all pairsSmell alikemoderateCooked together8,379 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Tomatoes
- Provide the main body, acidity and flavor of the soup.
- Rice
- Thickens the soup and adds body as it softens and releases starch.
- Milk
- Adds creaminess and a mild sweetness that softens the tomato's acidity.
- Butter
- Adds fat for richness and a smoother mouthfeel.
The step that matters
Keep the mixture from boiling after adding the tomatoes and rice. Acid from the tomatoes combined with high heat can make milk proteins clump and curdle, so the soup should be kept hot but below a boil.
Swap the tomato
How well each one fits the dish's main ingredients (rice, milk, butter, pepper):
- Potatofits better
- Capsicumfits better
- Asparagusfits about as well
- Tomatothe original
Fit is the average pairing score against rice, milk, butter, pepper. 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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