Why it works: Beef and mushroom are a kitchen classic. They rank in the top 4% of all ingredient pairs, and cooks put them together in 3,232 recipes. Both carry 2,4-nonadienal, which smells fatty, green. The science ↓
Hash of Cold Mutton
Ingredients
Directions
Prepare
Season the sliced mutton with salt and pepper, then dredge with flour.
Make the hash
In a stew-pan, melt the butter and cook the minced onion until soft.
Add the beef gravy stock or glaze to the onion and bring to a simmer.
Add the seasoned mutton to the stew-pan and simmer gently until the sauce thickens.
Rest and serve
Remove from heat and let it rest while you prepare the table.
Before serving, reheat the stew-pan on the fire for a final boil.
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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Beef + mushroomtop 4% of all pairsSmell alikemoderateCooked together3,232 recipes
Shared aroma: 2,4-nonadienal (fatty, green).
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Onion + beeftop 7% of all pairsSmell alikemoderateCooked together17,092 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Butter + mushroomtop 7% of all pairsSmell alikemoderateCooked together12,525 recipes
Shared aroma: trans-2-decenal (waxy, orange).
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Pepper + beeftop 10% of all pairsSmell alikemoderateCooked together18,971 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Onion + mushroomtop 10% of all pairsSmell alikemoderateCooked together10,626 recipes
Shared aroma: 2,4-decadienal (seaweed).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Mutton
- Provides the meat that becomes tender in the simmering sauce.
- All-purpose flour
- Dusted on the mutton, it helps thicken the sauce as it simmers.
- Butter
- Adds richness and carries the flavour of the softened onion.
- Onion
- Softens while cooking, adding sweetness and savoury depth to the sauce.
- Beef gravy stock or glaze
- Supplies the liquid and beefy flavour that forms the sauce.
The step that matters
Simmering the mutton until the sauce thickens. Flour on the meat thickens the liquid only when it is simmered gently long enough to swell the starch. Boiling hard or stopping too early can leave the sauce thin or lumpy.
Swap the onion
How well each one fits the dish's main ingredients (mutton, pepper, flour, butter, beef, mushroom):
- Shallotfits better
- Potatofits about as well
- Leekfits about as well
- Onionthe original
Fit is the average pairing score against mutton, pepper, flour, butter, beef, mushroom. 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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