Why it works: Parsley and pepper match in chemistry and in kitchens. They rank in the top 2% of all ingredient pairs, and 34,118 recipes mention both. Both carry 4'-methylacetophenone, which smells bitter almond. The science ↓
Potatoes a LA Creme
Ingredients
Directions
Make the sauce
In a saucepan, melt the butter over medium heat.
Add flour, parsley, scallions, salt, and pepper; stir to combine.
Pour in the cream and stir constantly until the mixture boils.
Finish and serve
Slice the boiled potatoes and add them to the pan.
Boil everything together and serve very hot.
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 + peppertop 2% of all pairsAroma overlapstrongMentioned together34,118 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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Parsley + potatotop 3% of all pairsAroma overlapstrongMentioned together2,855 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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Butter + creamtop 3% of all pairsAroma overlapstrongMentioned together41,494 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
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Pepper + potatotop 5% of all pairsAroma overlapstrongMentioned together8,303 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Butter + potatotop 6% of all pairsAroma overlapstrongMentioned together6,445 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Butter
- Adds richness and fat, helping the sauce feel smooth and carry flavor.
- Flour
- Thickens the cream mixture into a sauce that clings to the potatoes.
- Cream
- Forms the body of the sauce and adds moisture and richness.
- Boiled potatoes
- Form the starchy base of the dish, soaking up the sauce.
The step that matters
Stir constantly until the mixture boils. Flour thickens cream only as its starch heats and swells; stirring keeps the flour evenly dispersed so the sauce stays smooth rather than lumpy or scorched on the bottom of the pan.
Flavor stand-ins for the parsley
How well each one fits the dish's main ingredients (butter, flour, pepper, cream, potato):
- Nutmegabout as good a flavor fit
- Parsleythe original
- Celeryabout as good a flavor fit
Fit is the average pairing score against butter, flour, pepper, cream, potato. 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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