Why it works: Parsley and onion are a kitchen classic. They rank in the top 9% of all ingredient pairs, and cooks put them together in 25,843 recipes. Both carry 2,4-decadienal, which smells seaweed. The science ↓
Boiled Mutton
Ingredients
Directions
Prepare
Trim the mutton and remove the pith from the bones.
Boil the mutton
Bring the water to a boil, then add the mutton and boil quickly for 2 minutes.
Add the salt, reduce heat, and skim the surface.
Add the onion and peppercorns, then simmer gently for 1.5 hours, skimming occasionally.
Serve
Remove the mutton and pour the parsley-and-butter sauce over it.
If serving turnips, slice and boil them with the meat for 45 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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Parsley + oniontop 9% of all pairsSmell alikemoderateCooked together25,843 recipes
Shared aroma: 2,4-decadienal (seaweed).
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Butter + saucetop 15% of all pairsSmell alikelowCooked together15,338 recipes
Shared aroma: ethanol (alcoholic, ethereal).
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Butter + oniontop 15% of all pairsSmell alikemoderateCooked together42,912 recipes
Shared aroma: decanal (soap, orange peel).
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Parsley + buttertop 15% of all pairsSmell alikemoderateCooked together28,563 recipes
Shared aroma: trans-2-hexenal (green, leafy).
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Mutton + buttertop 16% of all pairsSmell alikemoderateCooked together3,781 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
Butter and sauce barely smell alike, yet cooks put them together in 15,338 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
- Neck of mutton
- Provides the main meat, which becomes tender through long, gentle simmering.
- Parsley-and-butter sauce
- Adds richness and fresh herbal flavour to the cooked meat.
- Onion
- Adds aromatic sweetness to the cooking liquid as it simmers.
The step that matters
Simmer gently after the initial boil. A vigorous boil toughens meat proteins and makes the meat stringy, so the heat must drop to a gentle simmer. Regular skimming removes foam and impurities that would otherwise cloud the broth and taint the flavour.
Swap the parsley
How well each one fits the dish's main ingredients (mutton, butter, sauce, onion):
- Capersfits better
- Garlicfits better
- Parsleythe original
- Pepperfits about as well
Fit is the average pairing score against mutton, butter, sauce, onion. 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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