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 ↓
Beef Steak Smothered in Onions
Ingredients
Directions
Prepare
Slice the onions thin and soak them in cold water.
Heat a pan and add the steak with a little suet.
Cook
Remove the onions from the water and add them to the steak.
Season with pepper and coarse sea salt, cover tightly, and cook over medium heat.
When the onion juice has evaporated and the meat is browned on one side, turn the steak.
Replace the onions and fry until the steak is cooked through, being careful not to burn.
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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Beef + peppertop 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).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Beef steak
- Is the main protein; browns on the surface and cooks through to become tender.
- Onions
- Release moisture as they cook, then brown and add sweetness to the pan.
- Suet
- Adds a little fat to the pan so the steak can brown and not stick.
The step that matters
Turning the steak after the onion juice evaporates. Turning too early, before the juice has cooked off and the surface has browned, keeps the steak wet and pale. Waiting for a real brown crust gives better flavor, and the pan must not get so hot that the onions burn.
Swap the onion
How well each one fits the dish's main ingredients (beef, pepper):
- Capsicumfits better
- Tomatofits better
- Carrotfits about as well
- Onionthe original
Fit is the average pairing score against beef, pepper. 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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