Why it works: Onion and beef 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 Smothered with Onions
Ingredients
Directions
Make the onion sauce
Combine the chopped onions, hot water, butter, pepper, salt, and a little flour in a saucepan.
Cook until the onions are soft.
Cook and serve
Broil the steak according to your preferred method.
Add the steak to the saucepan with the onions and simmer for about 5 minutes.
Serve the steak and onions together on a platter.
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 + beeftop 7% of all pairsSmell alikemoderateCooked together17,092 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Pepper + beeftop 10% of all pairsSmell alikemoderateCooked together18,971 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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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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Butter + flourtop 12% of all pairsSmell alikelowCooked together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Onion + buttertop 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
- Onions
- Soften as they cook, becoming sweet and forming the body of the sauce.
- Butter
- Adds fat and richness, carrying flavour through the onions and sauce.
- Flour
- Thickens the onion liquid slightly so it clings to the steak.
- Beef steak
- Main protein, browned under the broiler and finished gently in the sauce.
The step that matters
Simmer the steak in the onions. Simmering only about 5 minutes keeps the steak tender; longer cooking after broiling toughens meat fibres and dries it out.
Swap the onion
How well each one fits the dish's main ingredients (butter, pepper, flour, beef):
- Potatofits about as well
- Chivefits about as well
- Leekfits about as well
- Onionthe original
Fit is the average pairing score against butter, pepper, flour, beef. 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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