Why it works: Parsley and lemon match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and 14,037 recipes mention both. Both carry beta-phellandrene, which smells minty, terpene. The science ↓
Pike with Egg Sauce
Ingredients
Directions
Prepare the fish
Salt the fish inside and out, preferably using heated salt for better penetration.
Melt the butter over medium heat in a porcelain-lined kettle.
Add the chopped onion, celery root, parsley root, and lemon slices to the kettle.
Place the fish in the kettle, either whole or sliced, and add enough water to just cover it.
Season with additional salt and add the whole peppercorns and ground white pepper.
Cook and strain
Boil the fish quickly until cooked; check doneness by pulling on the fins.
Remove the fish to a large platter.
Strain the cooking liquid through a sieve, discarding the lemon slices.
Make the sauce and serve
In a bowl, combine the strained sauce with the beaten egg yolks and pounded almonds, stirring constantly.
Return the mixture to the kettle and stir until it boils, then quickly pour it over the fish.
Garnish with curly parsley once cooled.
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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Parsley + lemontop 1% of all pairsAroma overlapstrongMentioned together14,037 recipes
Shared aroma: beta-phellandrene (minty, terpene).
-
Celery + parsleytop 1% of all pairsAroma overlapstrongMentioned together6,810 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
-
Celery + lemontop 3% of all pairsAroma overlapstrongMentioned together3,467 recipes
Shared aroma: beta-phellandrene (minty, terpene).
-
Onion + celerytop 7% of all pairsAroma overlapmoderateMentioned together18,518 recipes
Shared aroma: guaiacol (smoky, sweet).
-
Onion + parsleytop 9% of all pairsAroma overlapmoderateMentioned 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
- Pike
- Is the main fish, cooked gently in the seasoned liquid until it turns opaque and flakes.
- Egg yolks
- Thicken the strained liquid into a smooth sauce when heated, giving it body and richness.
- Butter
- Adds richness and a silky mouthfeel to the cooking liquid that carries the flavours.
- Almonds
- Add body and a nutty flavour, helping the egg sauce become thick and creamy.
The step that matters
Boiling the egg sauce. Egg yolks thicken as they heat, but if the mixture boils too long or too hard it can scramble and turn grainy. Stir constantly and pour it over the fish as soon as it boils.
Flavor stand-ins for the white pepper
How well each one fits the dish's main ingredients (butter, onion, celery, parsley, lemon, fish, egg):
- Tarragonbetter flavor fit
- Thymebetter flavor fit
- Capersbetter flavor fit
- White pepperthe original
Fit is the average pairing score against butter, onion, celery, parsley, lemon, fish, egg. 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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