Why it works: Pepper and parsley 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 ↓
Stewed Potatoes
Ingredients
Directions
Cook the potatoes
Slice the potatoes and cook them in hot water until tender but not breaking.
Drain half of the water and replace it with an equal amount of milk that has been boiled with onion slices and then strained.
Finish and serve
Add pepper, coarse sea salt, a good lump of butter rolled in flour, and chopped parsley.
Simmer for three minutes and transfer to a vegetable 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 their aromas overlap, and how often cooks already put them together.
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Pepper + parsleytop 2% of all pairsSmell alikestrongCooked together34,122 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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Potato + oniontop 3% of all pairsSmell alikemoderateCooked together9,023 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Potato + parsleytop 5% of all pairsSmell alikemoderateCooked together2,855 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
-
Milk + buttertop 7% of all pairsSmell alikemoderateCooked together81,283 recipes
Shared aroma: (z)-4-heptenal (biscuit, cream).
-
Onion + parsleytop 9% of all pairsSmell alikemoderateCooked together25,843 recipes
Shared aroma: 2,4-decadienal (seaweed).
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 soften into a tender, soft texture when cooked.
- Milk
- Adds creaminess and richness to the liquid that coats the potatoes.
- Butter
- Adds fat for richness and a smooth mouthfeel to the finished sauce.
- Flour
- Thickens the liquid as it simmers, helping the sauce cling to the potatoes.
The step that matters
Adding the butter and flour lump. Flour rolled into butter must be stirred into the simmering liquid so it disperses without clumping. The mixture then needs time to cook, which thickens the sauce and removes the raw flour taste.
Swap the onion
How well each one fits the dish's main ingredients (potato, milk, pepper, butter, flour, parsley):
- Carrotfits better
- Chivefits better
- Shallotfits better
- Onionthe original
Fit is the average pairing score against potato, milk, pepper, butter, flour, parsley. 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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