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Mayonnaise Dressing

A cold dressing made from egg yolks, oil, salt, pepper, mustard, and vinegar.

From an old cookbook · modernised transcription
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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. In a cold bowl, rub the raw egg yolks and hard-boiled yolks until smooth.

  2. Gradually add the oil, a few drops at a time, mixing well.

  3. Once the oil is well mixed and has a jelly-like consistency, add the salt, pepper, and mustard.

  4. Slowly incorporate the vinegar, mixing until the mayonnaise is the thickness of thick cream.

  5. If it looks like curdling, chill in the refrigerator for 40 minutes and mix again.

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. Pepper + mustardtop 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. Egg + mustardtop 28% of all pairs
    Smell alikemoderate
    Cooked together9,210 recipes

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

  5. Egg + vinegartop 33% of all pairs
    Smell alikelow
    Cooked together12,922 recipes

    Shared aroma: acetic acid (sour, vinegar).

Egg and vinegar 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

Egg yolks
Emulsifiers that hold the oil and vinegar together, giving the mayonnaise its body.
Oil
Supplies the fat that, dispersed in droplets, thickens the sauce into a rich texture.
Vinegar
Adds acidity that brightens the flavour and helps stabilise the emulsion.
Mustard
Its natural compounds help stabilise the emulsion and add a sharp, savoury note.

The step that matters

Adding the oil gradually. Oil must be added a few drops at a time so it breaks into tiny droplets that the egg yolk lecithin can coat. Adding it too fast overwhelms the yolks, so the emulsion breaks and the mayonnaise curdles.

Swap the mustard

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

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

Fit is the average pairing score against egg, pepper, 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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