Why it works: Parsley and pepper match in chemistry and in kitchens. They rank in the top 2% of all ingredient pairs, and cooks put them together in 34,122 recipes. Both carry 4'-methylacetophenone, which smells bitter almond. The science ↓
Italian Sauce
Ingredients
Directions
Melt the butter in a stewpan over medium heat.
Add the chopped mushrooms, onion, and parsley; cook for a few minutes.
Sprinkle in the flour and stir to combine.
Pour in the white wine and consomme; season with salt, pepper, and mace.
Bring to a boil, then skim off any fat.
If desired, add a bunch of sweet herbs while boiling, and remove before serving.
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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Parsley + peppertop 2% of all pairsSmell alikestrongCooked together34,122 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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Mushroom + white winetop 5% of all pairsSmell alikemoderateCooked together1,765 recipes
Shared aroma: ethyl octanoate (fruity).
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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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Butter + white winetop 9% of all pairsSmell alikemoderateCooked together5,083 recipes
Shared aroma: ethyl octanoate (fruity, wine).
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Onion + parsleytop 9% of all pairsSmell alikemoderateCooked together25,843 recipes
Shared aroma: 2,4-decadienal (seaweed).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Butter
- Enriches the sauce with fat and carries the flavour of the aromatics.
- Flour
- Thickens the liquid into a smooth sauce as it cooks with the broth.
- Mushrooms
- Add savoury, earthy flavour that deepens the sauce.
- White wine
- Adds acidity and aroma that brighten the sauce.
- Consomme or broth
- Forms the main liquid, providing body and savoury flavour.
The step that matters
Adding the flour. Stirring flour into the butter and cooking it briefly lets it dissolve evenly into the liquid. Adding it to hot liquid without this step can leave lumps.
Swap the mace
How well each one fits the dish's main ingredients (butter, mushroom, onion, parsley, flour, white wine, pepper):
- Thymefits better
- Garlicfits better
- Marjoramfits better
- Macethe original
Fit is the average pairing score against butter, mushroom, onion, parsley, flour, white wine, 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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