Why it works: Beef and onion are a kitchen classic. They rank in the top 3% of all ingredient pairs, and 17,091 recipes mention both. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓
The recipe
Ingredients
Contains: milk, wheat (auto-detected from the ingredients and method; we can miss things, so check labels)
Directions
Beat the beef with a rolling pin and make deep incisions without cutting through.
Mix minced onions with bread crumbs, butter, pepper, and salt.
Fill the incisions with the mixture and skewer the meat.
Place the meat in a stewpan with butter and stew over moderate heat.
Serve with brown sauce made from butter, flour, and the meat's gravy.
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 aroma chemistry they share, and how many recipes mention both.
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Beef + oniontop 3% of all pairsAroma overlapmoderateMentioned together17,091 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Butter + breadtop 3% of all pairsAroma overlapstrongMentioned together27,145 recipes
Shared aroma: delta-decalactone (sweet, creamy).
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Beef + peppertop 4% of all pairsAroma overlapstrongMentioned together18,971 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Beef + breadtop 5% of all pairsAroma overlapstrongMentioned together4,031 recipes
Shared aroma: 2-acetyl-1-pyrroline (popcorn, roasted).
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Onion + peppertop 6% of all pairsAroma overlapmoderateMentioned together68,463 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
Flavor stand-ins for the onion
How well each one fits the dish's main ingredients (beef, butter, bread, pepper):
- Tomatobetter flavor fit
- Potatobetter flavor fit
- Capsicumabout as good a flavor fit
- Onionthe original
Fit is the average pairing score against beef, butter, bread, pepper. Candidates are from the same food group and used in at least 100 recipes. This compares flavor only: it does not check the job the ingredient does in the dish (bulk, moisture, acidity, structure).
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