Why it works: Parsley and lemon match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 14,037 recipes. Both carry beta-phellandrene, which smells minty, terpene. The science ↓
Baked Cream Fish
Ingredients
Directions
The book gives no oven temperature. The 350°F (175°C) in the steps was added when the recipe was transcribed, as a starting point.
Prepare the fish
Boil the fish in salted water until cooked, then allow to cool and break into small flakes.
Make the sauce
Melt the butter in a saucepan, add the flour, then gradually stir in the milk and cook until thick.
Add the parsley, green pepper, onion juice, lemon juice, salt, and pepper to the sauce.
Assemble and bake
Butter a baking dish, layer the fish and sauce alternately until all ingredients are used.
Sprinkle the top with buttered bread crumbs and bake at 350°F (175°C) for 30 minutes.
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 + lemontop 1% of all pairsSmell alikestrongCooked together14,037 recipes
Shared aroma: beta-phellandrene (minty, terpene).
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Parsley + peppertop 2% of all pairsSmell alikestrongCooked together34,122 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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Pepper + lemontop 3% of all pairsSmell alikestrongCooked together27,047 recipes
Shared aroma: trans-2-nonenal (cardboard, fatty).
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Butter + milktop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
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Parsley + oniontop 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
- White fish
- Forms the main body of the dish, providing flaky protein that sets in the baked sauce.
- Butter
- Adds richness and fat, and helps build the smooth base of the sauce.
- Flour
- Thickens the milk into a smooth white sauce that holds the layers together.
- Milk
- Forms the liquid of the sauce, which thickens as the flour starches gelatinize with heat.
- Green pepper
- Adds a fresh, slightly bitter vegetable flavor and some texture.
- Lemon juice
- Adds acidity that brightens the rich sauce and balances its flavor.
The step that matters
Cooking the sauce until thick. Flour must be cooked with the butter and milk until the starch swells and thickens. If the sauce is underdone, it stays thin and runs out of the layers during baking, and the flour taste remains.
Swap the onion
How well each one fits the dish's main ingredients (fish, butter, flour, milk, parsley, pepper, lemon):
- Shallotfits better
- Potatofits better
- Carrotfits better
- Onionthe original
Fit is the average pairing score against fish, butter, flour, milk, parsley, pepper, lemon. 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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