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Sauce

Mayonnaise Sauce

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

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Mayonnaise Sauce

Why it works: Vinegar and mustard 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 Sauce

Ingredients

Directions

  1. Separate the yolks from the whites of the eggs and place them in a clean bowl.

  2. Stir the yolks with a wooden spoon for a few seconds.

  3. Slowly pour in the salad oil while stirring constantly until the mixture thickens and becomes smooth.

  4. Season with pepper, salt, mustard, and vinegar.

  5. Add the oil in drops at short intervals when mixing with the yolks.

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.

Photo for illustrative purposes only · Contact us to use it

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. Vinegar + mustardtop 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
Lecithin in the yolks emulsifies the oil and water, holding the sauce together and making it thick.
Salad oil
Forms the fat phase that gives mayonnaise its rich body and smooth texture.

The step that matters

Adding the oil slowly. Yolk lecithin can only surround so much oil at once. Pouring too fast leaves oil droplets unbound, so the mixture splits instead of thickening into a stable emulsion.

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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