Why it works: Rice and tomato 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 and Rice Soup
Ingredients
Directions
Make the soup
Boil the rice in water until very soft.
In a pot, combine the beef stock, soft rice, tomatoes, sliced onion, and bacon or ham.
Boil together for a few minutes, then season with salt and pepper.
Finish and serve
Pour a little soup over a cup of thick sour cream and mix thoroughly.
Add the rest of the soup.
Serve the soup in a tureen and the cream separately.
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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Rice + tomatotop 6% of all pairsSmell alikestrongCooked together3,065 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
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Beef + oniontop 7% of all pairsSmell alikemoderateCooked together17,092 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Tomato + peppertop 7% of all pairsSmell alikemoderateCooked together17,923 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Beef + tomatotop 8% of all pairsSmell alikemoderateCooked together5,448 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Tomato + oniontop 8% of all pairsSmell alikemoderateCooked together20,633 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Rice
- Breaks down when boiled until very soft, thickening the soup and giving it body.
- Beef stock
- Forms the savory liquid base of the soup.
- Tomatoes
- Add acidity and tomato flavor to the broth.
- Bacon or ham
- Adds smoky, salty meat flavor to the stock as it simmers.
- Thick sour cream
- Adds richness and a tangy, cooling fat that softens the soup's acidity.
The step that matters
Pour a little soup over the sour cream and mix thoroughly. Sour cream can curdle if it meets hot liquid all at once. Tempering it with a small amount of hot soup first gradually raises its temperature, keeping it smooth when the rest is added.
Swap the tomato
How well each one fits the dish's main ingredients (rice, beef, onion, ham, pepper, cream):
- Potatofits better
- Leekfits about as well
- Carrotfits about as well
- Tomatothe original
Fit is the average pairing score against rice, beef, onion, ham, pepper, cream. 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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