Why it works: Butter and milk are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 81,283 recipes. Both carry (z)-4-heptenal, which smells biscuit, cream. The science ↓
Cream-of-barley Soup
Ingredients
Directions
Make the base
In a pot, combine barley, chicken stock, onion, mace, and cinnamon.
Cook slowly for 5 hours.
Rub the mixture through a sieve.
Finish the soup
Add boiling cream or milk to the strained mixture.
If using milk, stir in butter.
Season with salt and pepper to taste.
In a bowl, beat the yolks of 4 eggs with 4 tablespoons of milk.
Cook the egg mixture in the boiling milk or cream for 1 minute.
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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Butter + milktop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Cream + buttertop 8% of all pairsSmell alikemoderateCooked together41,516 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
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Chicken + oniontop 8% of all pairsSmell alikemoderateCooked together17,814 recipes
Shared aroma: gamma-nonanolactone (coconut, sweet).
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Barley + cinnamontop 9% of all pairsSmell alikestrongCooked together127 recipes
Shared aroma: cuminaldehyde (Spicy, cumin).
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Mace + cinnamontop 10% of all pairsSmell alikemoderateCooked together3,611 recipes
Shared aroma: methyleugenol (clove, spice).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Barley
- Thickens the soup as it cooks down and gives it a hearty body.
- Egg yolks
- Enrich and thicken the soup when gently cooked, adding richness and body.
- Cream or milk
- Adds richness and a smooth, creamy texture to the soup.
- Chicken stock
- Provides the main liquid and savory flavor base for the soup.
The step that matters
Cook the egg mixture in the boiling milk or cream for 1 minute. Egg yolks thicken through gentle heat; if the mixture boils too hard or too long, the proteins can curdle and the soup turns grainy instead of smooth.
Swap the mace
How well each one fits the dish's main ingredients (barley, chicken, onion, cinnamon, cream, butter, milk):
- Nutmegfits better
- Garlicfits better
- Celeryfits better
- Macethe original
Fit is the average pairing score against barley, chicken, onion, cinnamon, cream, butter, milk. 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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