Why it works: Pepper and parsley match in chemistry and in kitchens. They rank in the top 2% of all ingredient pairs, and cooks put them together in 34,122 recipes. Both carry 4'-methylacetophenone, which smells bitter almond. The science ↓
Mutton Pie
Ingredients
Directions
The book gives no oven temperature. The 400°F (200°C) in the steps was added when the recipe was transcribed, as a starting point.
Prepare
Bone the mutton and cut it into evenly thick steaks, leaving minimal fat.
Cut the kidneys and arrange them with the mutton in a pie dish.
Assemble and bake
Sprinkle the minced parsley and season with pepper and salt.
Pour in the gravy or water and cover with puff pastry.
Bake in a brisk oven at 400°F (200°C) for 1.5 hours, or longer if the pie is large.
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 + parsleytop 2% of all pairsSmell alikestrongCooked together34,122 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
-
Parsley + oniontop 9% of all pairsSmell alikemoderateCooked together25,843 recipes
Shared aroma: 2,4-decadienal (seaweed).
-
Pepper + oniontop 11% of all pairsSmell alikemoderateCooked together68,474 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Mutton + peppertop 16% of all pairsSmell alikelowCooked together5,442 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
-
Mutton + oniontop 18% of all pairsSmell alikelowCooked together4,531 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 main meat, whose fat and connective tissue add flavour and juiciness as it cooks.
- Kidneys
- Add a rich, savoury depth of flavour to the meat filling.
- Puff pastry
- Forms the flaky, golden crust that bakes over the filling.
- Gravy or water
- Supplies moisture so the meat stays tender and the filling does not dry out.
The step that matters
Baking the pie long enough. Mutton is a tough cut that needs a long, steady bake for its connective tissue to soften. Pulling the pie early leaves the meat chewy, so a large pie needs the extra time the record allows.
Swap the onion
The recipe marks onion as optional. How well each one fits the dish's main ingredients (mutton, pepper, parsley):
- Carrotfits better
- Shallotfits better
- Capsicumfits better
- Onionthe original
Fit is the average pairing score against mutton, pepper, parsley. 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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