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Mayonnaise Dressing

A creamy dressing made by emulsifying mustard, salt, cayenne, vinegar, egg, oil, and lemon juice.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 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

  1. Mix dry mustard, coarse sea salt, cayenne pepper, and vinegar to form a smooth paste.

  2. Add the raw egg and beat well.

  3. Gradually add the oil while continuously mixing.

  4. Finally, stir in the vinegar or lemon juice.

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

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

  3. Pepper + vinegartop 14% of all pairs
    Smell alikemoderate
    Cooked together27,814 recipes

    Shared aroma: 4'-methylacetophenone (bitter almond).

  4. Mustard + eggtop 28% of all pairs
    Smell alikemoderate
    Cooked together9,210 recipes

    Shared aroma: (e)-2-octenal (fatty, green).

  5. Vinegar + eggtop 33% of all pairs
    Smell alikelow
    Cooked together12,922 recipes

    Shared aroma: acetic acid (sour, vinegar).

Vinegar and egg barely smell alike, yet cooks put them together in 12,922 recipes: they work on texture and structure more than aroma.

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

What each ingredient does

Raw egg
Yolk lecithin emulsifies the oil with the vinegar, holding the dressing together and giving it body.
Oil
Forms the bulk of the emulsion, supplying richness and a creamy, thick texture.
Dry mustard
Helps stabilise the emulsion and adds a sharp, pungent flavour.
Vinegar
Adds acidity that brightens the flavour and balances the richness of the oil.

The step that matters

Gradually add the oil while continuously mixing. Oil must be dispersed in tiny droplets into the egg and acid base. Adding it too fast overwhelms the emulsifier, so the mixture breaks and separates instead of thickening.

Swap the mustard

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

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

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