Why it works: Beef and onion are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 17,092 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓
Beefsteak
Ingredients
Directions
Make the stew
Heat the butter in a stewpan.
Lightly fry the onion until soft.
Stir in the flour and cook for a minute longer.
Add the beef and stock, then simmer slowly for 40 minutes.
Serve
Serve hot, surrounded by sippets of fried or toasted bread.
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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Beef + oniontop 7% of all pairsSmell alikemoderateCooked together17,092 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Butter + breadtop 7% of all pairsSmell alikemoderateCooked together27,232 recipes
Shared aroma: delta-decalactone (sweet, creamy).
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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Beef + breadtop 13% of all pairsSmell alikemoderateCooked together4,032 recipes
Shared aroma: 2-acetyl-1-pyrroline (popcorn, roasted).
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Butter + oniontop 15% of all pairsSmell alikemoderateCooked together42,912 recipes
Shared aroma: decanal (soap, orange peel).
Butter and flour 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
- Beef
- Provides the main meat and, with slow simmering, becomes tender and rich in flavour.
- Flour
- Thickens the stock into a smooth gravy as it cooks with the butter.
- Beef stock
- Forms the liquid base that the beef and flour cook in, carrying the savoury flavour.
- Onion
- Softens and adds sweetness and aromatic depth to the base of the stew.
- Butter
- Adds fat for frying the onion and carries flavour into the stew.
The step that matters
Add the flour and cook it briefly. Cooking the flour in the hot butter for a minute drives off its raw taste and lets it thicken smoothly when the stock is added. Skipping this step can leave a floury, lumpy sauce.
Swap the onion
How well each one fits the dish's main ingredients (beef, butter, flour, bread):
- Leekfits better
- Shallotfits about as well
- Chivefits about as well
- Onionthe original
Fit is the average pairing score against beef, butter, flour, bread. 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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