Why it works: Onion and pepper are a kitchen classic. They rank in the top 11% of all ingredient pairs, and cooks put them together in 68,474 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓
Roast Mutton
Ingredients
Directions
Prepare
Trim off inedible parts of the mutton and wash it well; dry with a clean cloth.
Place the mutton in a roasting pan with a little water to baste initially.
Roast
Roast for about 12 minutes per pound in a strong oven, salting after it begins to roast.
Baste often; if browning too fast, cover with white paper.
A quarter hour before done, lightly dredge with flour and baste with butter.
Finish and serve
Skim the gravy and thicken slightly with brown flour.
Serve with currant jelly or other tart sauce.
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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Onion + peppertop 11% of all pairsSmell alikemoderateCooked together68,474 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Flour + buttertop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Butter + oniontop 15% of all pairsSmell alikemoderateCooked together42,912 recipes
Shared aroma: decanal (soap, orange peel).
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Butter + curranttop 17% of all pairsSmell alikemoderateCooked together7,856 recipes
Shared aroma: isoamyl acetate (banana, pear).
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Flour + oniontop 17% of all pairsSmell alikemoderateCooked together32,460 recipes
Shared aroma: isobutyraldehyde (malty, green).
Flour and butter 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 (hind quarter or fore-quarter)
- Provides the meat that roasts and becomes tender and juicy during the long cooking.
- Flour
- Dredged on the surface and browned, it adds colour and thickens the pan gravy.
- Butter
- Basted over the meat near the end, it adds richness and helps the surface brown.
- Currant jelly
- Its tartness served alongside cuts through the richness of the roasted mutton.
The step that matters
Baste often and watch the browning. Basting keeps the surface moist so it browns evenly rather than drying out, while covering with paper slows browning that runs ahead of the interior cooking.
Swap the currant
How well each one fits the dish's main ingredients (flour, butter, onion, pepper):
- Avocadofits better
- Limefits better
- Lemonfits better
- Currantthe original
Fit is the average pairing score against flour, butter, onion, 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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