Why it works: Mustard and celery 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 ↓
Egg Salad
Ingredients
Directions
Prepare the eggs
Boil the eggs hard and cut off the tops, removing the yolks carefully.
Trim the other end of the egg whites so they can stand on a plate.
Make the dressing
Mash half of the yolks with butter, olive oil, mustard, salt, sugar, and vinegar until smooth and custard-like.
Chop the cabbage and celery in a 1:2 ratio.
Assemble and serve
Mix the chopped cabbage, celery, and the remaining chopped yolks with the dressing.
Fill the egg whites with the mixture and garnish with parsley before serving.
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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Mustard + celerytop 2% of all pairsSmell alikemoderateCooked together4,169 recipes
Shared aroma: guaiacol (smoky, sweet).
-
Mustard + cabbagetop 3% of all pairsSmell alikestrongCooked together1,645 recipes
Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).
-
Cabbage + celerytop 6% of all pairsSmell alikemoderateCooked together1,840 recipes
Shared aroma: 4'-methylacetophenone (bitter almond).
-
Mustard + vinegartop 7% of all pairsSmell alikemoderateCooked together14,067 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Olive + mustardtop 8% of all pairsSmell alikestrongCooked together5,950 recipes
Shared aroma: eucalyptol (eucalyptus, herbal).
Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs
What each ingredient does
- Egg yolks
- Their fat and emulsifying lecithin, mashed smooth, give the dressing its rich, custard-like body.
- Butter
- Adds fat and richness, softening the texture of the mashed yolk dressing.
- Olive oil
- Adds fat and a smooth, silky mouthfeel to the dressing.
- Mustard
- Its emulsifiers help bind the fats with the yolks and add sharp flavour.
- Vinegar
- Adds acidity that brightens the rich yolk dressing and balances its sweetness.
- Celery
- Provides crisp texture and moisture that contrasts with the creamy filling.
The step that matters
Mash the yolks into the dressing until smooth. Yolks, butter and oil must be worked together until fully smooth; if they are left lumpy the dressing will not emulsify evenly and will feel grainy rather than custard-like. Adding the vinegar gradually keeps the mixture stable.
Flavor stand-ins for the cabbage
How well each one fits the dish's main ingredients (egg, butter, olive, mustard, sugar, vinegar, celery):
- Lettucebetter flavor fit
- Horseradishbetter flavor fit
- Capsicumbetter flavor fit
- Cabbagethe original
Fit is the average pairing score against egg, butter, olive, mustard, sugar, vinegar, celery. 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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