Why it works: Potato and onion are a kitchen classic. They rank in the top 3% of all ingredient pairs, and cooks put them together in 9,023 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓
Potato Salad
Ingredients
Directions
Prepare the salad
Boil the potatoes until tender, then let them cool and cut into small squares.
Chop the hard boiled eggs and onions, then mix them with the potatoes.
Season the mixture with salt, pepper, and celery seed.
Make the dressing
In a saucepan, combine the beaten eggs, milk, sugar, and vinegar; bring to a boil.
Let the dressing cool, then pour it over the salad and mix well.
Finally, add the cold cream and mix until combined.
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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Potato + oniontop 3% of all pairsSmell alikemoderateCooked together9,023 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
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Pepper + celerytop 5% of all pairsSmell alikestrongCooked together16,012 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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Potato + celerytop 7% of all pairsSmell alikemoderateCooked together2,047 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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Onion + celerytop 7% of all pairsSmell alikemoderateCooked together18,518 recipes
Shared aroma: guaiacol (smoky, sweet).
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Potato + peppertop 9% of all pairsSmell alikemoderateCooked together8,305 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, holding their shape once boiled and cooled.
- Eggs
- Thicken the dressing as they cook and add richness to the salad.
- Milk
- Dilutes the egg mixture into a smooth, pourable dressing base.
- Vinegar
- Adds acidity that balances the sweetness and richness of the dressing.
- Cold cream
- Adds richness and a creamy texture when stirred into the cooled salad.
The step that matters
Boil the dressing gently and let it cool before adding it to the salad. Beaten eggs can curdle or scramble if they boil too hard, leaving lumps in the dressing. Cooling the dressing before mixing keeps the potatoes from becoming soggy and keeps the cold cream from warming and loosening.
Swap the onion
How well each one fits the dish's main ingredients (potato, egg, pepper, celery, milk, sugar, vinegar):
- Capsicumfits better
- Mustardfits better
- Carrotfits better
- Onionthe original
Fit is the average pairing score against potato, egg, pepper, celery, milk, sugar, vinegar. 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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