Why it works: Carrot and parsley match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 8,053 recipes. Both carry 2,4-decadienal, which smells seaweed. The science ↓
Hotch-potch
Ingredients
Directions
Prepare
In a large pot, bring the water to a boil and add the pearl barley.
Scrape one carrot and set it aside in a little water.
Cook the soup
Chop the remaining vegetables very small and add them to the boiling water along with the butter, pepper, and salt. Ensure there are enough vegetables to thicken the soup.
Boil the soup for 2 hours.
Add the scraped carrot and boil for an additional 30 minutes.
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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Carrot + parsleytop 1% of all pairsSmell alikestrongCooked together8,053 recipes
Shared aroma: 2,4-decadienal (seaweed).
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Carrot + turniptop 1% of all pairsSmell alikestrongCooked together8,002 recipes
Shared aroma: coumarin (sweet, hay).
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Cabbage + turniptop 2% of all pairsSmell alikestrongCooked together897 recipes
Shared aroma: coumarin (sweet, hay).
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Parsley + peppertop 2% of all pairsSmell alikestrongCooked together34,122 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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Barley + turniptop 2% of all pairsSmell alikestrongCooked together629 recipes
Shared aroma: coumarin (sweet, hay).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Pearl barley
- Swells during long simmering, adding body and thickening the broth.
- Cabbage
- Breaks down during simmering, adding bulk and body to the soup.
- Onions
- Softens and releases sweetness into the broth as it cooks.
- Butter
- Adds richness and a rounder mouthfeel to the finished soup.
The step that matters
Chopping the vegetables very small. Small pieces break down during the long simmer, releasing starch and body that thicken the soup. Large pieces stay intact and leave the broth thin.
Swap the onion
How well each one fits the dish's main ingredients (barley, cabbage, carrot, turnip, parsley, butter, pepper):
- Leekfits better
- Parsnipfits better
- Beetrootfits better
- Onionthe original
Fit is the average pairing score against barley, cabbage, carrot, turnip, parsley, 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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