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
Prepare
Boil the potatoes and slice them.
Chop the parsley.
Make the sauce
In a saucepan, stir the butter and flour together over medium heat until they form a paste.
Add the parsley, cream, salt, and pepper to the saucepan and mix thoroughly.
Combine and serve
Add the sliced potatoes to the mixture and warm everything together.
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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Potato + parsleytop 3% of all pairsAroma overlapstrongMentioned together2,855 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
-
Butter + creamtop 3% of all pairsAroma overlapstrongMentioned together41,494 recipes
Shared aroma: delta-dodecalactone (sweet, creamy).
-
Potato + peppertop 5% of all pairsAroma overlapstrongMentioned together8,303 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Potato + buttertop 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
- Potatoes
- Form the bulk of the dish and absorb the creamy sauce.
- Butter
- Adds richness and carries flavour, and with flour forms the base of the sauce.
- Flour
- Thickens the butter and cream into a smooth, coating sauce.
- Cream
- Adds moisture and richness, giving the potatoes a smooth, silky texture.
- Parsley
- Adds fresh, herbal aroma and a touch of colour.
The step that matters
Stirring the butter and flour into a paste. Cooking flour in fat over medium heat helps it dissolve evenly without lumps and removes raw flour taste. Cooking it too hot can scorch the butter and cause it to brown unevenly before the cream is added.
Flavor stand-ins for the parsley
How well each one fits the dish's main ingredients (potato, butter, cream, flour, pepper):
- Nutmegabout as good a flavor fit
- Parsleythe original
- Celeryabout as good a flavor fit
Fit is the average pairing score against potato, butter, cream, flour, pepper. 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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