Why it works: Tomato and potato match in chemistry and in kitchens. They rank in the top 5% of all ingredient pairs, and 2,798 recipes mention both. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓
Giblet Soup
Ingredients
Directions
Scald the giblets in water and set aside.
Simmer the tomatoes in weak broth with rice until tender, then pass through a fine sieve.
If desired, simmer onions and pass through the sieve with the tomatoes.
Season the puree with salt and a little sugar.
Dilute the puree with broth until it reaches the thickness of double cream and warm it up.
Serve with croutons.
Cut turnips into small pieces, steep in cold water, then strain.
Stew turnips in a pan with butter, adding pepper and salt until soft, then pass through the sieve.
Wash out the pan with hot water or broth, add to the puree along with potato flour and more salt as needed.
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 aroma chemistry they share, and how many recipes mention both.
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Tomato + potatotop 5% of all pairsAroma overlapstrongMentioned together2,798 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Tomato + ricetop 6% of all pairsAroma overlapstrongMentioned together3,065 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
-
Rice + potatotop 7% of all pairsAroma overlapstrongMentioned together851 recipes
Shared aroma: 2-acetyl-1-pyrroline (popcorn, roasted).
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Turnip + flourtop 7% of all pairsAroma overlapstrongMentioned together2,874 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Tomato + peppertop 7% of all pairsAroma overlapmoderateMentioned together17,923 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
Flavor stand-ins for the tomato
How well each one fits the dish's main ingredients (butter, rice, sugar, turnip, pepper, potato, flour):
- Leekbetter flavor fit
- Okrabetter flavor fit
- Parsnipbetter flavor fit
- Tomatothe original
Fit is the average pairing score against butter, rice, sugar, turnip, pepper, potato, flour. Candidates are from the same food group and used in at least 100 recipes. This compares flavor only: it does not check the job the ingredient does in the dish (bulk, moisture, acidity, structure).
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