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
Heat the milk in a saucepan.
Stir in the butter and enough flour to create a smooth, thick mixture.
Season with salt and pepper.
Combine and serve
Add the sliced cold boiled potatoes and chopped parsley.
Heat until the potatoes are hot throughout.
Pour into a deep dish.
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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Milk + buttertop 3% of all pairsAroma overlapstrongMentioned together81,222 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
-
Potato + parsleytop 3% of all pairsAroma overlapstrongMentioned together2,855 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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Milk + potatotop 4% of all pairsAroma overlapstrongMentioned together3,611 recipes
Shared aroma: (e,z)-2,6-nonadienal (cucumber, melon).
-
Pepper + potatotop 5% of all pairsAroma overlapstrongMentioned together8,303 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Milk
- Forms the liquid base of the cream sauce, which thickens as it heats.
- Butter
- Adds richness and smooth flavour to the cream sauce.
- Flour
- Thickens the milk into a smooth, thick sauce that coats the potatoes.
- Cold boiled potatoes
- Form the body of the dish and soak up the sauce as they reheat.
The step that matters
Stir in the flour smoothly. Flour must be fully mixed into the warm milk and butter so it dissolves rather than clumping. Starch granules swell as they heat, so lumps stay lumpy and a smooth, thick sauce depends on even mixing.
Flavor stand-ins for the parsley
How well each one fits the dish's main ingredients (milk, butter, flour, pepper, potato):
- Parsleythe original
- Cinnamonabout as good a flavor fit
- Nutmegabout as good a flavor fit
- Thymeabout as good a flavor fit
Fit is the average pairing score against milk, butter, flour, pepper, 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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