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Oil Dressing

A simple dressing made with oil, egg yolk, lemon juice, mustard, cayenne pepper, and salt.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Oil Dressing

Why it works: Lemon and pepper match in chemistry and in kitchens. They rank in the top 3% of all ingredient pairs, and cooks put them together in 27,047 recipes. Both carry trans-2-nonenal, which smells cardboard, fatty. The science ↓

Oil Dressing

Ingredients

Directions

  1. In a cold dish, beat the oil.

  2. Add the well-beaten egg yolk and stir until creamed.

  3. Mix in the lemon juice, mustard, cayenne pepper, and salt.

  4. Serve as a dressing.

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. Lemon + peppertop 3% of all pairs
    Smell alikestrong
    Cooked together27,047 recipes

    Shared aroma: trans-2-nonenal (cardboard, fatty).

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

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

  3. Lemon + mustardtop 11% of all pairs
    Smell alikestrong
    Cooked together3,816 recipes

    Shared aroma: eucalyptol (eucalyptus, herbal).

  4. Egg + lemontop 19% of all pairs
    Smell alikelow
    Cooked together44,316 recipes

    Shared aroma: (e,e)-2,4-decadienal (fatty, deep fried).

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

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

Egg and lemon barely smell alike, yet cooks put them together in 44,316 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

Oil
Forms the body of the dressing and provides richness and mouthfeel.
Egg yolk
Emulsifies the oil into the lemon juice, giving the dressing a creamy, thick texture.
Lemon juice
Adds acidity that brightens the dressing and balances the richness of the oil.

The step that matters

Add the egg yolk and stir until creamed. The yolk must be well beaten and blended into the oil slowly so its lecithin can bind the oil into tiny droplets. Adding it too quickly or unevenly can make the dressing separate and look greasy.

Swap the mustard

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

  1. Spinachfits better
  2. Capsicumfits better
  3. Asparagusfits better
  4. Mustardthe original

Fit is the average pairing score against egg, lemon, 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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