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Mayonnaise Dressing

A creamy dressing made from egg yolk, spices, lemon juice, and oil.

From an old cookbook · modernised transcription
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Why it works: Pepper and lemon 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 ↓

Mayonnaise Dressing

Ingredients

Directions

  1. Beat the yolk of the egg well with an egg beater.

  2. Add a dash each of cayenne, paprika, and mustard, along with 4 teaspoons of coarse sea salt and a pinch of sugar.

  3. Mix in the juice of 1 lemon thoroughly.

  4. Gradually add the oil while continuing to beat the mixture until it reaches the desired consistency.

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. Pepper + lemontop 3% of all pairs
    Smell alikestrong
    Cooked together27,047 recipes

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

  2. Pepper + mustardtop 9% of all pairs
    Smell alikemoderate
    Cooked together15,430 recipes

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

  3. Mustard + lemontop 11% of all pairs
    Smell alikestrong
    Cooked together3,816 recipes

    Shared aroma: eucalyptol (eucalyptus, herbal).

  4. Sugar + lemontop 18% of all pairs
    Smell alikelow
    Cooked together53,532 recipes

    Shared aroma: 2-nonenal (fatty, green).

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

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

Sugar and lemon barely smell alike, yet cooks put them together in 53,532 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 yolk
Emulsifies the oil and water in the lemon juice, giving the dressing its thick, creamy structure.
Oil
Forms the bulk of the emulsion, providing richness and body as it is beaten in.
Lemon juice
Adds acidity that brightens the flavour and helps keep the emulsion stable.

The step that matters

Gradually add the oil while beating. Oil must be added slowly while beating so it disperses into tiny droplets held by the egg yolk. Adding it too fast can break the emulsion, leaving the dressing oily and runny.

Swap the mustard

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

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

Fit is the average pairing score against egg, pepper, sugar, lemon. 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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