Why it works: Butter and cream are a kitchen classic. They rank in the top 8% of all ingredient pairs, and 41,516 recipes mention both. Both carry delta-dodecalactone, which smells sweet, creamy. The science ↓
Anotheb Bbown Onion Sauce
Ingredients
Directions
Prepare the onions
Peel, slice, and mince the onions.
In a saucepan, melt the butter over low heat and add the onions.
Cook until the onions are reduced to a pulp, about 30 to 50 minutes.
Finish the sauce
Pour in the veal gravy and season with salt and cayenne if needed.
Skim off any fat, then press the sauce through a sieve.
Heat the strained sauce in a clean saucepan and mix in the boiling cream.
Serve immediately.
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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Butter + creamtop 8% of all pairsAroma overlapmoderateMentioned together41,516 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
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Onion + peppertop 11% of all pairsAroma overlapmoderateMentioned together68,474 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Onion + buttertop 15% of all pairsAroma overlapmoderateMentioned together42,912 recipes
Shared aroma: decanal (soap, orange peel).
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Onion + vealtop 17% of all pairsAroma overlaplowMentioned together6,841 recipes
Shared aroma: 2,4-decadienal (seaweed).
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Onion + creamtop 18% of all pairsAroma overlaplowMentioned together10,827 recipes
Shared aroma: 2-nonanone (fruity, floral).
Onion and cream share little aroma chemistry, yet 10,827 recipes mention both: they likely 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
- White onions
- Break down into a pulp that forms the body and sweet flavour of the sauce.
- Butter
- Cooks the onions gently and adds richness and fat to the sauce.
- Veal gravy
- Provides the savoury meat base and liquid that thins the onion pulp into a sauce.
- Boiling cream
- Adds richness and a smooth, silky texture when stirred into the hot sauce.
The step that matters
Cooking the onions to a pulp. Cooking over low heat lets the onions soften and release their sugars slowly, so they reduce to a smooth pulp without scorching. Scorched onions turn bitter and dark, spoiling the sauce's flavour and colour.
“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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