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 ↓
A Good Potato Salad
Ingredients
Directions
Prepare the vegetables
Boil the potatoes in their jackets until tender.
Slice the boiled potatoes thickly.
Finely chop the onions.
Add the chopped onions to the potatoes.
Cook the beets until tender.
Chop the cooked beets.
Add the chopped beets to the mixture.
Dress and serve
Melt the butter.
Mix the melted butter with the vinegar.
Add the butter‑vinegar mixture gradually to the salad.
Sprinkle with salt and pepper to taste.
Add mustard last.
Transfer the salad to a serving dish.
Garnish with chopped beets and parsley.
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).
-
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).
-
Onion + mustardtop 6% of all pairsSmell alikestrongCooked together9,259 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Potato + mustardtop 7% of all pairsSmell alikemoderateCooked together1,340 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
- Potatoes
- Form the bulk of the salad and hold their shape when sliced after boiling.
- Onions
- Add sharp, aromatic flavor that cuts through the richness of the butter.
- Beets
- Add earthy sweetness and a deep color to the salad.
- Butter
- Adds richness and a smooth mouthfeel to the dressing.
- Vinegar
- Adds acidity that brightens the flavor and balances the sweetness of the beets.
- Mustard
- Adds pungency and sharpness to the dressing.
The step that matters
Add the butter-vinegar mixture gradually. Adding the dressing slowly and tossing gently lets it coat the warm potato slices evenly, so the salad is seasoned throughout without breaking up the slices.
Swap the onion
How well each one fits the dish's main ingredients (potato, butter, vinegar, mustard, pepper, parsley):
- Shallotfits better
- Horseradishfits better
- Chivefits better
- Onionthe original
Fit is the average pairing score against potato, butter, vinegar, mustard, pepper, 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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