Why it works: Butter and mushroom are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 12,525 recipes. Both carry trans-2-decenal, which smells waxy, orange. The science ↓
Cooked Fine Herbs
Ingredients
Directions
Prepare and cook
Chop the onion finely or use half an onion and half a shallot.
In a saucepan, combine the onion and butter, cover, and cook slowly without browning.
Once cooked, add the parsley and mushrooms, and cook until the moisture is reduced.
Finish
Stir in the veal glaze and transfer to an earthen bowl for future use.
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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Butter + mushroomtop 7% of all pairsSmell alikemoderateCooked together12,525 recipes
Shared aroma: trans-2-decenal (waxy, orange).
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Onion + parsleytop 9% of all pairsSmell alikemoderateCooked together25,843 recipes
Shared aroma: 2,4-decadienal (seaweed).
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Onion + mushroomtop 10% of all pairsSmell alikemoderateCooked together10,626 recipes
Shared aroma: 2,4-decadienal (seaweed).
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Parsley + mushroomtop 11% of all pairsSmell alikemoderateCooked together6,132 recipes
Shared aroma: 2,4-decadienal (seaweed).
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Mushroom + vealtop 14% of all pairsSmell alikemoderateCooked together2,446 recipes
Shared aroma: 2,4-nonadienal (fatty, green).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Onion
- Forms the sweet, aromatic base of the mixture as it softens slowly in butter.
- Butter
- Carries the onion's flavour and softens it gently without browning.
- Mushrooms
- Add earthy flavour, and their moisture is cooked off to concentrate the mixture.
- Parsley
- Adds fresh, green herbal aroma to the finished mixture.
- Veal glaze
- Adds concentrated savoury depth and body to the mixture.
The step that matters
Cook the onion slowly without browning. Gentle cooking softens the onion and releases its sweetness without caramelising it. Browning would add bitterness and a darker colour that changes the delicate herb flavour.
Swap the parsley
How well each one fits the dish's main ingredients (onion, butter, mushroom, veal):
- Garlicfits better
- Thymefits better
- Parsleythe original
- Capersfits about as well
Fit is the average pairing score against onion, butter, mushroom, veal. 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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