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 ↓
Stuffed Leg of Mutton
Ingredients
Directions
Prepare the stuffing
Cook the onions in boiling water until tender, then chop them finely.
Mix the chopped onions with bread crumbs, salt, and pepper.
Stuff and roast
Make a slit in the sinewy part of the leg of mutton and insert the stuffing.
Roast the stuffed leg of mutton until cooked through.
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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Bread + muttontop 12% of all pairsSmell alikemoderateCooked together1,488 recipes
Shared aroma: delta-decalactone (sweet, creamy).
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Onion + breadtop 15% of all pairsSmell alikemoderateCooked together8,676 recipes
Shared aroma: 2,4-decadienal (seaweed).
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Pepper + muttontop 16% of all pairsSmell alikelowCooked together5,442 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
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Bread + peppertop 16% of all pairsSmell alikemoderateCooked together20,964 recipes
Shared aroma: 2-nonenal (fatty, green).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Leg of mutton
- Forms the main body of the dish and carries the stuffing during roasting.
- Onions
- Add moisture and mild sweetness to the stuffing as they soften when cooked.
- Bread crumbs
- Absorb onion moisture and bind the stuffing so it holds together.
The step that matters
Insert the stuffing into the slit. The stuffing needs a pocket deep enough to sit inside the meat. A shallow or poorly sealed slit lets the stuffing fall out or dry out in the oven, and the meat may cook unevenly around it.
Swap the onion
How well each one fits the dish's main ingredients (bread, pepper, mutton):
- Capsicumfits better
- Tomatofits better
- Carrotfits better
- Onionthe original
Fit is the average pairing score against bread, pepper, mutton. 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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