Why it works: Milk and butter 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 ↓
Lentil Soup
Ingredients
Directions
Boil the lentils in the boiling water until tender.
Strain the lentils and rub them through a sieve.
Season with salt and pepper.
Add the milk and a little butter if desired.
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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Milk + buttertop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Lentils + oniontop 8% of all pairsSmell alikestrongCooked together1,221 recipes
Shared aroma: coumarin (sweet, hay).
-
Onion + peppertop 11% of all pairsSmell alikemoderateCooked together68,474 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Lentils + peppertop 13% of all pairsSmell alikemoderateCooked together812 recipes
Shared aroma: coumarin (sweet, hay).
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Onion + buttertop 15% of all pairsSmell alikemoderateCooked together42,912 recipes
Shared aroma: decanal (soap, orange peel).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Egyptian lentils
- Break down into a thick, smooth body that gives the soup its texture.
- Milk
- Adds richness and softens the flavour, giving the soup a creamier mouthfeel.
- Butter
- Adds fat and a rounder, richer flavour to the finished soup.
Swap the lentils
How well each one fits the dish's main ingredients (onion, milk, pepper, butter):
- Beansfits better
- Sesamefits better
- Peanutfits better
- Lentilsthe original
Fit is the average pairing score against onion, milk, pepper, butter. 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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