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 ↓
Celery Root Salad
Ingredients
Directions
Prepare the vegetables
Boil the celery root until tender, then peel and remove the centers.
Chop the celery, hard-boiled eggs, and celery root.
Make the dressing
In a bowl, combine the egg yolk and mustard, adding a little water to mix.
Slowly add the olive oil drop by drop while stirring continuously.
Mix in the vinegar and lemon juice, then add salt to taste.
Assemble
Combine the chopped ingredients with the dressing and adjust salt as needed.
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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Celery + lemontop 3% of all pairsSmell alikestrongCooked together3,467 recipes
Shared aroma: beta-phellandrene (minty, terpene).
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Mustard + vinegartop 7% of all pairsSmell alikemoderateCooked together14,067 recipes
Shared aroma: isobutyraldehyde (malty, green).
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Olive + lemontop 7% of all pairsSmell alikemoderateCooked together11,922 recipes
Shared aroma: 3-hexenal (apple, fruity).
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Mustard + olivetop 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
- Celery root
- Provides the main bulk and crisp-tender texture of the salad.
- Egg yolk
- Emulsifies the olive oil into the dressing, giving it a thick, creamy body.
- Olive oil
- Adds fat and richness, carrying flavor through the dressing.
- Hard-boiled eggs
- Add soft, creamy texture and body to the salad.
- Mustard
- Helps stabilize the emulsion and adds a sharp, pungent note.
- Lemon juice
- Adds acidity that brightens the dressing and balances the oil.
The step that matters
Adding the olive oil slowly. Oil must be added drop by drop while whisking so the egg yolk can emulsify it. Adding it too fast breaks the emulsion, leaving a greasy, separated dressing instead of a smooth, thick one.
Swap the lemon
How well each one fits the dish's main ingredients (celery, egg, mustard, olive, vinegar):
- Lemonthe original
- Avocadofits about as well
- Limefits less well
- Cherryfits less well
Fit is the average pairing score against celery, egg, mustard, olive, 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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