Why it works: Celery and parsley match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 6,810 recipes. Both carry 4'-methylacetophenone, which smells bitter almond. The science ↓
Stock for Brown or White Fish Soups
Ingredients
Directions
Prepare
Clean and cut the skate, flounders, and eels into pieces.
Cover the fish with water and season with mace, pepper, coarse sea salt, onion, celery, parsley roots, and sweet herbs.
Simmer and strain
Simmer for 1.5 hours, closely covered.
Strain the stock for use.
Brown soup variation
For brown soup, fry the fish in butter before following the above steps.
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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Celery + parsleytop 1% of all pairsSmell alikestrongCooked together6,810 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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Pepper + parsleytop 2% of all pairsSmell alikestrongCooked together34,122 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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Pepper + clovetop 5% of all pairsSmell alikestrongCooked together17,451 recipes
Shared aroma: ethyl octanoate (fruity, wine).
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Pepper + celerytop 5% of all pairsSmell alikestrongCooked together16,012 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
-
Clove + celerytop 6% of all pairsSmell alikestrongCooked together4,668 recipes
Shared aroma: gamma-decalactone (peach, creamy).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Skate
- Provides body and gelatin, giving the stock a richer mouthfeel as it simmers.
- Flounders
- Add delicate fish flavour and gelatin to the stock during simmering.
- Eels
- Contribute gelatin and savoury depth to the stock during long simmering.
- Onion
- Adds sweetness and aromatic flavour to the stock.
- Celery
- Adds savoury, vegetal aroma that rounds out the stock.
The step that matters
Simmer closely covered. Keeping the pot closely covered at a gentle simmer limits evaporation and keeps the stock concentrated. A rolling boil can cloud the liquid and emulsify fat into it, so the stock stays clearer and cleaner-tasting.
Swap the mace
How well each one fits the dish's main ingredients (pepper, onion, clove, celery, parsley, butter):
- Thymefits better
- Marjoramfits better
- Tarragonfits better
- Macethe original
Fit is the average pairing score against pepper, onion, clove, celery, parsley, butter. 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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