Why it works: Onion and mushroom are a kitchen classic. They rank in the top 10% of all ingredient pairs, and cooks put them together in 10,626 recipes. Both carry 2,4-decadienal, which smells seaweed. The science ↓
Boiled Hump-stkak with Onion Gravy
Ingredients
Directions
Peel and slice the onions.
Place them in a quart stew pan with water and cover.
Cook on low heat until the water boils and the onions are slightly browned.
Add broth and boil until the onions are tender.
Strain the broth, chop the onions finely, and season with mushroom ketchup, pepper, and salt.
Add the onions back to the pan and let it boil gently for five minutes.
Pour the onion gravy over the broiled rump steak.
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 + mushroomtop 10% of all pairsSmell alikemoderateCooked together10,626 recipes
Shared aroma: 2,4-decadienal (seaweed).
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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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Mushroom + peppertop 11% of all pairsSmell alikemoderateCooked together13,580 recipes
Shared aroma: 2-nonenal (fatty, green).
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Mushroom + ketchuptop 16% of all pairsSmell alikelowCooked together2,225 recipes
Shared aroma: ethanol (alcoholic, ethereal).
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Onion + ketchuptop 19% of all pairsSmell alikelowCooked together1,997 recipes
Shared aroma: ethanol (alcoholic, ethereal).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
Swap the onion
How well each one fits the dish's main ingredients (mushroom, ketchup, pepper):
- Capsicumfits better
- Shallotfits better
- Carrotfits better
- Onionthe original
Fit is the average pairing score against mushroom, ketchup, pepper. Candidates are from the same food group and used in at least 100 recipes.
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