Why it works: Parsley and thyme match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and 9,057 recipes mention both. Both carry cuminaldehyde, which smells Spicy, cumin. The science ↓
The recipe
Ingredients
Contains: egg, milk, wheat, fish, shellfish (auto-detected from the ingredients and method; we can miss things, so check labels)
Also mentioned in the method: egg, fish, shellfish
Directions
Make the sauce
In a pan, melt butter and slightly brown the onions, parsley roots, celery, thyme, bay leaf, and mace.
Sprinkle in the flour and curry powder, cooking for a few minutes without letting it color.
Gradually add the white stock, stirring to combine.
Bring to a boil, then reduce heat and simmer gently for 45 minutes.
Strain the sauce through a tammy to remove solids.
Finish and serve
Heat the sauce again, skim off any grease, and keep warm in a bain-marie.
Serve with fish, shellfish, poultry, or egg dishes.
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.
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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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Parsley + thymetop 1% of all pairsAroma overlapstrongMentioned together9,057 recipes
Shared aroma: cuminaldehyde (Spicy, cumin).
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Parsley + celerytop 2% of all pairsAroma overlapstrongMentioned together6,805 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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Celery + thymetop 3% of all pairsAroma overlapstrongMentioned together3,188 recipes
Shared aroma: beta-phellandrene (minty, terpene).
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Onion + celerytop 5% of all pairsAroma overlapmoderateMentioned together18,506 recipes
Shared aroma: guaiacol (smoky, sweet).
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Thyme + macetop 5% of all pairsAroma overlapstrongMentioned together2,113 recipes
Shared aroma: myrcene (balsamic, herbaceous).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Onions
- Browned in butter to build a sweet, savory base for the sauce.
- Flour
- Cooked with the fat to thicken the sauce into a smooth body.
- Curry powder
- Adds the spiced, aromatic flavor that defines the sauce.
- White stock
- Forms the liquid of the sauce, carrying the flavors as it simmers.
- Celery
- Contributes aromatic vegetable flavor during browning and simmering.
- Butter
- Carries the browning of the vegetables and adds richness to the sauce.
The step that matters
Cooking the flour and curry powder. Cooking the flour with the fat and spices without letting it color removes raw starch taste and lets the thickener work smoothly. Browning it changes the flavor and color of the sauce, and adding stock too early can leave lumps.
Flavor stand-ins for the mace
How well each one fits the dish's main ingredients (onion, parsley, celery, thyme, flour, butter):
- Marjorambetter flavor fit
- Sagebetter flavor fit
- Tarragonbetter flavor fit
- Macethe original
Fit is the average pairing score against onion, parsley, celery, thyme, flour, butter. Candidates are from the same food group and used in at least 100 recipes. This compares flavor only: it does not check the job the ingredient does in the dish (bulk, moisture, acidity, structure).
“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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