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Salad

Oil Salad Dressing

A vinaigrette made with egg yolks, mustard, vinegar, pepper, and salad oil.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 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 ↓

Oil Salad Dressing

about ½ pint

Ingredients

Directions

  1. Combine the yolks of two raw eggs, mustard, vinegar, and pepper in a bowl.

  2. Whisk together until smooth.

  3. Gradually add salad oil until the mixture reaches about ½ pint.

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. Vinegar + peppertop 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

Raw egg yolks
Act as an emulsifier, helping the oil and vinegar bind into a smooth, stable dressing.
Mustard
Acts as a second emulsifier, helping keep the oil suspended so the dressing does not separate.
Vinegar
Adds acidity and sharpness that balances the richness of the oil.
Salad oil
Supplies fat that gives the dressing its body, richness and silky texture.

The step that matters

Adding the oil gradually. Oil must be added slowly while whisking so it breaks into tiny droplets that the egg yolk and mustard can hold. Adding it too fast lets the mixture separate into a greasy, broken dressing.

Swap the mustard

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

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

Fit is the average pairing score against egg, vinegar, 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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