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
Prepare the onions
Pare and slice the onions.
Pour boiling water over the onions to remove the extreme flavor.
Cook
Fry the onions in a mixture of lard and butter until nicely browned.
Season the onions with salt and pepper at the start.
Push the onions to one side of the frying pan and fry the steak in the same pan.
Serve
Serve the steak on a hot platter, covered with the onions and 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 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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Onion + buttertop 15% of all pairsSmell alikemoderateCooked together42,912 recipes
Shared aroma: decanal (soap, orange peel).
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Butter + beeftop 16% of all pairsSmell alikemoderateCooked together10,847 recipes
Shared aroma: 2-furfurylthiol (coffee, roasted).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Onions
- Soften and brown to give sweetness and deep savory flavor.
- Lard
- Fat that carries heat evenly and helps the onions brown.
- Butter
- Adds fat and a rich, nutty aroma as it browns with the onions.
- Beef steak
- Main protein, browned in the pan and served with the onions and gravy.
The step that matters
Fry the onions until nicely browned. Browning comes from caramelization of the onion sugars and Maillard reactions. Too little heat leaves them pale and flat, while too much heat burns them bitter.
Swap the onion
How well each one fits the dish's main ingredients (butter, pepper, beef):
- Potatofits about as well
- Onionthe original
- Capsicumfits about as well
- Tomatofits about as well
Fit is the average pairing score against butter, pepper, 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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