Why it works: Mustard and tarragon match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 901 recipes. Both carry methyleugenol, which smells clove, spice. The science ↓
Mayonnaise Dressing
Ingredients
Directions
Emulsify
Place the yolk of egg and seasonings in a bowl.
Add the salad oil drop by drop while stirring continuously.
Thin and finish
Once thick and smooth, gradually thin with the vinegar until the consistency is like thick cream.
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 + tarragontop 1% of all pairsSmell alikestrongCooked together901 recipes
Shared aroma: methyleugenol (clove, spice).
-
Pepper + tarragontop 5% of all pairsSmell alikestrongCooked together2,399 recipes
Shared aroma: estragole (anise, licorice).
-
Vinegar + tarragontop 7% of all pairsSmell alikemoderateCooked together2,547 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Mustard + vinegartop 7% of all pairsSmell alikemoderateCooked together14,067 recipes
Shared aroma: isobutyraldehyde (malty, green).
-
Pepper + mustardtop 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 yolk
- Its lecithin acts as an emulsifier, holding the oil and water-based parts together.
- Salad oil
- Forms the fat phase that gives the dressing its richness and thick body.
- Mustard
- Helps stabilise the emulsion and adds a sharp, savoury flavour.
- Malt vinegar
- Adds acidity and sharpness and thins the emulsion to a pourable consistency.
- Tarragon vinegar
- Adds acidity and a distinct herbal aroma while thinning the dressing.
The step that matters
Adding the salad oil drop by drop while stirring continuously. The oil must be dispersed into very fine droplets held by the egg yolk's emulsifier. Adding it too quickly overwhelms the yolk, so the oil separates and the mayonnaise breaks instead of becoming thick and smooth.
Swap the mustard
How well each one fits the dish's main ingredients (egg, pepper, malt, vinegar, tarragon):
- Mustardthe original
- Capsicumfits about as well
- Shallotfits about as well
- Cucumberfits less well
Fit is the average pairing score against egg, pepper, malt, vinegar, tarragon. 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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