Why it works: Pepper and lemon match in chemistry and in kitchens. They rank in the top 3% of all ingredient pairs, and 27,047 recipes mention both. Both carry trans-2-nonenal, which smells cardboard, fatty. The science ↓
Fish a LA Creme
Ingredients
Directions
Prepare the fish
Boil the fish until tender.
Remove the bones from the fish.
Mince the fish finely.
Season the minced fish with salt, pepper, and lemon.
Make the dressing
Boil the milk with the onions until they are in shreds.
In a bowl, cream the butter and flour together.
Sieve the boiling milk into the butter and flour mixture.
Return the mixture to the saucepan.
Boil again while stirring to prevent burning or lumps.
Assemble and bake
Grate the lemon rind.
Mix the grated lemon rind with the wine into the fish.
Grate the bread.
Layer the dressing, fish, and more dressing in a serving dish.
Top with bread crumbs.
Shape the crumbs into an oval.
Place the dish on a water-filled bread pan in the oven until browned.
Garnish with parsley and lemon slices.
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.
Photo for illustrative purposes only · Contact us to use it
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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Pepper + lemontop 3% of all pairsAroma overlapstrongMentioned together27,047 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
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Milk + buttertop 7% of all pairsAroma overlapmoderateMentioned together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
-
Pepper + oniontop 11% of all pairsAroma overlapmoderateMentioned together68,474 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Fish + buttertop 12% of all pairsAroma overlapmoderateMentioned together4,488 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
-
Butter + flourtop 12% of all pairsAroma overlaplowMentioned together124,287 recipes
Shared aroma: isobutyraldehyde (malty, green).
Butter and flour share little aroma chemistry, yet 124,287 recipes mention both: they likely work on texture and structure more than aroma.
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Fish
- Forms the bulk of the dish, providing the flaky body of the filling.
- Milk
- Makes the smooth, creamy dressing that keeps the fish moist.
- Butter
- Adds richness and fat, and combines with flour to thicken the dressing.
- Flour
- Thickens the butter and milk mixture into a smooth sauce.
- Bread
- Grated into crumbs to form a golden, browned topping.
- Wine
- Adds acidity and aroma to the fish filling.
The step that matters
Boil again while stirring. Flour thickens the milk only as it heats, and stopping to stir lets it settle and scorch on the pan base or form lumps, so constant stirring keeps the dressing smooth.
Flavor stand-ins for the onion
How well each one fits the dish's main ingredients (fish, pepper, lemon, milk, butter, flour, wine):
- Shallotbetter flavor fit
- Potatobetter flavor fit
- Capsicumbetter flavor fit
- Onionthe original
Fit is the average pairing score against fish, pepper, lemon, milk, butter, flour, wine. 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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