Why it works: Flour and onion are a kitchen classic. They rank in the top 17% of all ingredient pairs, and cooks put them together in 32,460 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓
To Roast Mutton
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.
Preheat your oven to 400°F (200°C).
Prepare a brisk fire for roasting.
Cover the mutton with paper where there is fat to save it for eating.
Baste the mutton well in its own fat during cooking.
Dredge the mutton with flour towards the end of cooking.
Roast for 15 minutes per pound, adjusting time for the size of the cut.
Serve with gravy, currant jelly, or onion sauce as desired.
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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Flour + oniontop 17% of all pairsSmell alikemoderateCooked together32,460 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Flour + saucetop 18% of all pairsSmell alikemoderateCooked together8,078 recipes
Shared aroma: ethanol (alcoholic, ethereal).
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Mutton + oniontop 18% of all pairsSmell alikelowCooked together4,531 recipes
Shared aroma: 2,4-decadienal (seaweed).
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Onion + saucetop 19% of all pairsSmell alikelowCooked together10,474 recipes
Shared aroma: ethanol (alcoholic, ethereal).
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Mutton + saucetop 25% of all pairsSmell alikelowCooked together1,087 recipes
Shared aroma: decanoic acid (soapy, waxy).
Onion and sauce barely smell alike, yet cooks put them together in 10,474 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
Swap the currant
The recipe marks currant as optional. How well each one fits the dish's main ingredients (mutton, flour, onion, sauce):
- Raisinfits better
- Avocadofits better
- Limefits better
- Currantthe original
Fit is the average pairing score against mutton, flour, onion, sauce. Candidates are from the same food group and used in at least 100 recipes.
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