Why it works: Lemon and pepper 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 ↓
To Hash Mutton
Ingredients
Directions
Make the hash
Fry onions in butter until soft.
Add gravy and stew for 10 minutes.
Stir in the mutton, walnut ketchup, browning, and lemon pickle.
Boil for 3 to 4 minutes.
Season with salt and cayenne pepper.
Serve
Serve hot, garnished with red cabbage.
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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Lemon + peppertop 3% of all pairsSmell alikestrongCooked together27,047 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
-
Pepper + cabbagetop 5% of all pairsSmell alikemoderateCooked together4,081 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Walnut + lemontop 10% of all pairsSmell alikestrongCooked together2,149 recipes
Shared aroma: 2-nonenal (fatty, green).
-
Walnut + peppertop 13% of all pairsSmell alikemoderateCooked together3,039 recipes
Shared aroma: 2-nonenal (fatty, green).
-
Lemon + cabbagetop 13% of all pairsSmell alikemoderateCooked together397 recipes
Shared aroma: 3-hexenal (apple, fruity).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Thin slices of roasted mutton
- Forms the main body of the dish and provides its meaty texture.
- Butter
- Adds fat for richness and carries flavour while the onions soften.
- Good gravy
- Supplies moisture and savoury depth that coats the meat.
- Walnut ketchup
- Adds a dark, savoury, umami-rich flavour to the sauce.
- Browning
- Darkens the sauce so the hash looks richly coloured.
- Lemon pickle
- Adds acidity that brightens and balances the rich gravy.
The step that matters
Boil for 3 to 4 minutes. A short boil heats the mutton through and lightly thickens the gravy. Boiling longer toughens the meat and reduces the sauce too far, so the hash turns dry and chewy.
Swap the cabbage
How well each one fits the dish's main ingredients (mutton, butter, walnut, ketchup, lemon, pepper):
- Capsicumfits better
- Shallotfits better
- Spinachfits better
- Cabbagethe original
Fit is the average pairing score against mutton, butter, walnut, ketchup, lemon, 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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