Why it works: Parsley and pepper match in chemistry and in kitchens. They rank in the top 2% of all ingredient pairs, and cooks put them together in 34,122 recipes. Both carry 4'-methylacetophenone, which smells bitter almond. The science ↓
Whitefish a LA Creme
Ingredients
Directions
Poach the fish
Rub the fish well with coarse sea salt.
Place the fish in a kettle.
Cover the fish with warm water.
Bring the water to a boil.
Reduce the heat.
Simmer for 1 hour.
Drain the fish.
Remove the large bones.
Make the sauce
Add 1 ounce of flour to a saucepan.
Gradually mix in 1 cup of milk until smooth.
Add the sliced onion.
Add the parsley.
Add the nutmeg.
Add the salt.
Add the pepper.
Cook over medium heat.
Stir constantly until thickened.
Remove from heat.
Stir in ½ pound of butter.
Pass the sauce through a sieve.
Serve
Pour the sauce over the fish.
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 + peppertop 2% of all pairsSmell alikestrongCooked together34,122 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
-
Parsley + nutmegtop 3% of all pairsSmell alikestrongCooked together5,062 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
-
Milk + buttertop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
-
Nutmeg + peppertop 7% of all pairsSmell alikestrongCooked together13,015 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
-
Flour + nutmegtop 8% of all pairsSmell alikemoderateCooked together18,623 recipes
Shared aroma: isobutyraldehyde (malty, green).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Whitefish
- Forms the main body of the dish, cooked gently by simmering until tender.
- Flour
- Thickens the milk into a smooth sauce as it cooks.
- Milk
- Forms the liquid base of the sauce, giving it a creamy texture.
- Butter
- Adds richness and a silky finish when stirred into the hot sauce.
The step that matters
Stir constantly until thickened. Flour thickens milk only when heated and stirred, so stopping early leaves a thin sauce and stirring too little can scorch or form lumps at the bottom of the pan.
Swap the onion
How well each one fits the dish's main ingredients (whitefish, flour, milk, parsley, nutmeg, pepper, butter):
- Shallotfits better
- Potatofits better
- Carrotfits better
- Onionthe original
Fit is the average pairing score against whitefish, flour, milk, parsley, nutmeg, pepper, 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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