Why it works: Barley and carrot match in chemistry and in kitchens. They rank in the top 6% of all ingredient pairs, and cooks put them together in 784 recipes. Both carry 2-nonenal, which smells fatty, green. The science ↓
Pearl Barley Soup
Ingredients
Directions
Prepare the meat stock
Cook the meat in water until tender.
Strain the meat stock through a sieve.
Prepare the barley and carrot
Combine the barley with the stock and 1 tablespoon of butter in a separate pot.
Let the barley and butter mixture swell.
Slice the carrot finely.
Stew the sliced carrot slowly in the remaining butter.
Add the cooked barley to the carrot mixture.
Finish the soup
Add the strained stock to the pot.
If the soup is not thick enough, mix the flour with a little butter.
Add the flour mixture to the soup.
Let the soup boil.
Season the soup with salt.
Serve.
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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Barley + carrottop 6% of all pairsSmell alikestrongCooked together784 recipes
Shared aroma: 2-nonenal (fatty, green).
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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Barley + flourtop 13% of all pairsSmell alikemoderateCooked together582 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Meat + barleytop 13% of all pairsSmell alikemoderateCooked together224 recipes
Shared aroma: 2,4-decadienal (seaweed).
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Carrot + flourtop 13% of all pairsSmell alikemoderateCooked together8,029 recipes
Shared aroma: isobutyraldehyde (malty, green).
Butter and flour barely smell alike, yet cooks put them together in 124,287 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
- Pearl barley
- Swells as it cooks, giving the soup body and a chewy, substantial texture.
- Butter
- Adds richness and carries the flavour of the carrot as it stews gently.
- Carrot
- Softens while stewing in butter, adding gentle sweetness and colour.
- Flour
- Thickens the broth when mixed with butter and stirred into the soup.
- Meat (fowl or veal)
- Gives the stock its savoury, meaty flavour.
The step that matters
Let the flour mixture into the soup and boil. Flour mixed with butter must be stirred in smoothly and the soup brought to a boil so the starch thickens fully and no lumps remain.
Swap the carrot
How well each one fits the dish's main ingredients (meat, barley, butter, flour):
- Leekfits better
- Shallotfits better
- Asparagusfits better
- Carrotthe original
Fit is the average pairing score against meat, barley, butter, flour. 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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