Why it works: Pepper and parsley 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 cream sauce
In a saucepan, melt the butter over medium heat.
Stir in the flour, salt, pepper, and parsley.
Add the cream or milk and stir constantly until it boils.
Add the potatoes and serve
Add the cold potatoes and cook until heated through.
Serve 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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Pepper + parsleytop 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 fat and richness, and carries flavor into the sauce.
- Flour
- Thickens the sauce as its starch swells when heated in the butter and liquid.
- Cream or milk
- Forms the liquid base of the sauce, giving it a creamy texture and moisture.
- Cold potatoes
- Forms the bulk of the dish, taking up the creamy sauce as they heat through.
The step that matters
Stir constantly until the cream boils. Flour can clump and scorch on the bottom of the pan if left unstirred. The starch only thickens the sauce fully once it reaches a boil, so keep stirring until it does.
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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