Why it works: Pepper and lemon match in chemistry and in kitchens. They rank in the top 3% of all ingredient pairs, and cooks put them together in 27,047 recipes. Both carry trans-2-nonenal, which smells cardboard, fatty. The science ↓
Mutton-collops
Ingredients
Directions
Prepare
Cut very thin slices from a leg or the chump end of a loin of mutton.
Sprinkle the slices with salt, pepper, pounded mace, minced savoury herbs, and minced shallots.
Cook and serve
Fry the slices in butter until browned.
Stir in the flour, then add the gravy and lemon juice.
Simmer gently for about 5 to 7 minutes and serve immediately.
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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Pepper + lemontop 3% of all pairsSmell alikestrongCooked together27,047 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
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Shallot + lemontop 6% of all pairsSmell alikestrongCooked together2,523 recipes
Shared aroma: eucalyptol (eucalyptus, herbal).
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Shallot + flourtop 6% of all pairsSmell alikestrongCooked together2,081 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Pepper + shallottop 11% of all pairsSmell alikemoderateCooked together5,898 recipes
Shared aroma: 2,4-decadienal (seaweed).
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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
Butter and flour barely smell alike, yet cooks put them together in 124,287 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
- Mutton
- Provides the meat that is browned and simmered until tender in the sauce.
- Butter
- Fat that browns the slices and adds richness to the dish.
- Flour
- Thickens the gravy so the sauce clings to the slices.
- Gravy
- Forms the liquid base of the sauce that the meat simmers in.
- Shallots
- Add a mild savoury onion flavour that infuses the meat.
- Lemon juice
- Adds acidity that brightens the rich gravy.
The step that matters
Frying the slices in butter until browned. Browning through the Maillard reaction builds deep savoury flavour on the surface of the meat. Pale, under-browned slices will taste flat once simmered, so the pan should be hot enough to brown rather than steam them.
Swap the mace
How well each one fits the dish's main ingredients (mutton, pepper, shallot, butter, flour, lemon):
- Parsleyfits better
- Capersfits better
- Thymefits better
- Macethe original
Fit is the average pairing score against mutton, pepper, shallot, butter, flour, lemon. 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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