Why it works: Olive and walnut match in chemistry and in kitchens. They rank in the top 6% of all ingredient pairs, and cooks put them together in 2,087 recipes. Both carry 2-undecenal, which smells sweet. The science ↓
Mayonnaise Dressing
Ingredients
Directions
Make the dressing
Beat the egg yolks lightly in a bowl.
Slowly add the olive oil drop by drop while beating steadily with a fork.
Incorporate the mustard, salt, sugar, and red pepper into the yolks.
Gradually mix in the vinegar until well combined.
Pour the mixture into a saucepan with melted butter and simmer for 2-3 minutes, stirring constantly until thickened.
Combine and serve
Mix the dressing with the chicken about 2 hours before serving.
Add the celery just before serving to keep it crisp.
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.
-
Olive + walnuttop 6% of all pairsSmell alikestrongCooked together2,087 recipes
Shared aroma: 2-undecenal (sweet).
-
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).
-
Mustard + walnuttop 9% of all pairsSmell alikestrongCooked together849 recipes
Shared aroma: eucalyptol (eucalyptus, herbal).
-
Mustard + peppertop 9% of all pairsSmell alikemoderateCooked together15,430 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
- Egg yolks
- Emulsifiers that bind the oil and vinegar into a thick, stable dressing.
- Olive oil
- Supplies the fat that gives the dressing its rich body and smooth texture.
- Mustard
- Helps hold the oil and egg emulsion together and adds sharp flavour.
- Vinegar
- Adds acidity that balances the richness of the oil and yolks.
- Butter
- Adds richness and helps the mixture thicken when heated gently.
The step that matters
Adding the olive oil slowly. Oil added too fast cannot be absorbed by the yolks, so the emulsion breaks and the dressing separates instead of thickening.
Swap the walnut
How well each one fits the dish's main ingredients (egg, olive, mustard, sugar, pepper, vinegar, butter):
- Sesamefits about as well
- Beansfits about as well
- Almondfits about as well
- Walnutthe original
Fit is the average pairing score against egg, olive, mustard, sugar, pepper, vinegar, butter. 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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