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Mayonnaise Dressing

A creamy dressing made from egg yolk, mustard, vinegar, olive oil, salt, and pepper.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Why it works: Mustard and vinegar are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 14,067 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓

Mayonnaise Dressing

Ingredients

Directions

Make the mayonnaise

  1. In a bowl, whisk together the egg yolk, mustard, and vinegar until smooth.

  2. Slowly drizzle in the olive oil while whisking continuously until the mixture thickens.

  3. Season with salt and pepper to taste.

Serve

  1. Serve immediately or refrigerate for later use.

Recipe from a historical cookbook (Internet Archive).

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.

  1. Mustard + vinegartop 7% of all pairs
    Smell alikemoderate
    Cooked together14,067 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  2. Mustard + olivetop 8% of all pairs
    Smell alikestrong
    Cooked together5,950 recipes

    Shared aroma: eucalyptol (eucalyptus, herbal).

  3. Mustard + peppertop 9% of all pairs
    Smell alikemoderate
    Cooked together15,430 recipes

    Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).

  4. Vinegar + olivetop 10% of all pairs
    Smell alikemoderate
    Cooked together12,297 recipes

    Shared aroma: isoamyl acetate (banana, fruity).

  5. Olive + peppertop 11% of all pairs
    Smell alikemoderate
    Cooked together30,263 recipes

    Shared aroma: 2,4-decadienal (seaweed).

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Egg yolk
Emulsifies the oil into the vinegar, holding the thick sauce together.
Mustard
Helps stabilise the emulsion so the sauce stays smooth and does not separate.
Vinegar
Adds acidity that balances the richness of the oil and sharpens the flavour.
Olive oil
Supplies the fat that, dispersed in droplets, thickens the sauce and gives it body.

The step that matters

Drizzling the oil slowly while whisking. Oil must be added a little at a time so it disperses into tiny droplets that the egg yolk can hold. Adding it too fast breaks the emulsion, and the sauce separates and stays runny.

Swap the mustard

How well each one fits the dish's main ingredients (egg, vinegar, olive, pepper):

  1. Capsicumfits better
  2. Cucumberfits about as well
  3. Tomatofits about as well
  4. Mustardthe original

Fit is the average pairing score against egg, vinegar, olive, pepper. 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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