Why it works: Leek and pepper work together. They rank in the top 12% of all ingredient pairs, and cooks put them together in 965 recipes. Both carry coumarin, which smells sweet, hay. The science ↓
Scotch Leek Soup
Ingredients
Directions
Pour the mutton cooking liquid into a soup pot.
Add the leeks, season with pepper and salt, and boil slowly for 1 hour.
Mix the oatmeal with the cold water until smooth.
Pour the oatmeal mixture into the soup and simmer gently for another 30 minutes.
Serve hot.
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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Leek + peppertop 12% of all pairsSmell alikemoderateCooked together965 recipes
Shared aroma: coumarin (sweet, hay).
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Mutton + peppertop 16% of all pairsSmell alikelowCooked together5,442 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
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Leek + muttontop 17% of all pairsSmell alikelowCooked together226 recipes
Shared aroma: 1-octen-3-ol (mushroom, earthy).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Leeks
- Give the soup its main body and mild onion-like flavour as they soften in the broth.
- Oatmeal
- Thickens the broth as its starch swells and gelatinises during simmering.
- Liquid from boiled mutton
- Provides the savoury meat-based broth that forms the base of the soup.
The step that matters
Mixing the oatmeal smoothly into cold water. Oatmeal added as lumps or into hot liquid can clump, since its starch sets on contact with heat. Mixing it fully into cold water first lets it disperse evenly, so it thickens the soup uniformly.
Swap the leek
How well each one fits the dish's main ingredients (mutton, pepper):
- Capsicumfits better
- Carrotfits better
- Tomatofits better
- Leekthe original
Fit is the average pairing score against mutton, 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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