Why it works: Celery and mustard are a kitchen classic. They rank in the top 2% of all ingredient pairs, and cooks put them together in 4,169 recipes. Both carry guaiacol, which smells smoky, sweet. The science ↓
Potato Salad
Ingredients
Directions
Prepare
Rub the boiled potatoes through a colander and let them cool.
Shred the cabbage and celery finely without bruising.
Make the dressing
In a separate bowl, mix the beaten egg yolks, melted butter, sugar, corn-starch, salt, mustard, cayenne, and vinegar.
Heat the vinegar mixture and pour it over the other ingredients, stirring constantly until thickened, about 2 minutes.
Combine and chill
In a bowl, toss the potatoes, cabbage, celery, and powdered egg yolks together with a silver fork.
Whip the mixture into the potato salad and set aside until very cold.
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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Celery + mustardtop 2% of all pairsSmell alikemoderateCooked together4,169 recipes
Shared aroma: guaiacol (smoky, sweet).
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Cabbage + mustardtop 3% of all pairsSmell alikestrongCooked together1,645 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Potato + corntop 5% of all pairsSmell alikestrongCooked together938 recipes
Shared aroma: (e)-2-octenal (fatty, green).
-
Cabbage + celerytop 6% of all pairsSmell alikemoderateCooked together1,840 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
-
Potato + celerytop 7% of all pairsSmell alikemoderateCooked together2,047 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
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, with a mealy texture that holds the dressing.
- Egg yolks
- Thicken the dressing as they set with heat, giving it a smooth, creamy body.
- Vinegar
- Adds acidity that sharpens the dressing and balances the richness of the yolks and butter.
- Butter
- Adds fat and richness, softening the sharpness of the vinegar.
- Corn-starch
- Stabilises the dressing so it thickens without breaking when heated.
- Cabbage
- Adds crisp texture and a fresh, light bite to the salad.
The step that matters
Heating the dressing while stirring constantly. Egg yolks thicken when heated but scramble if they get too hot or sit still. Constant stirring spreads the heat evenly, so the dressing thickens smoothly instead of curdling.
Swap the cabbage
How well each one fits the dish's main ingredients (potato, celery, egg, butter, sugar, corn, mustard):
- Chivefits better
- Asparagusfits better
- Capsicumfits better
- Cabbagethe original
Fit is the average pairing score against potato, celery, egg, butter, sugar, corn, mustard. 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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