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Egg Salad

A chilled mixture of hard‑boiled eggs, yolks, mustard, cream, oil, vinegar, salt, and pepper, served in egg whites.

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 ↓

Egg Salad

Ingredients

Directions

Prepare

  1. Boil the eggs for 20 minutes.

  2. Peel the shells and cut the eggs in half lengthwise.

  3. Remove the yolks and place them in a bowl.

Make the filling

  1. Add the beaten eggs, dry mustard, heavy cream, salt, pepper, olive oil, and vinegar to the yolks and mix until very thick.

Assemble and serve

  1. Fill the egg whites with the yolk mixture.

  2. Chill the egg salad.

  3. Serve with mayonnaise.

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 + olivetop 8% of all pairs
    Smell alikestrong
    Cooked together5,950 recipes

    Shared aroma: eucalyptol (eucalyptus, herbal).

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

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

  4. Olive + vinegartop 10% of all pairs
    Smell alikemoderate
    Cooked together12,297 recipes

    Shared aroma: isoamyl acetate (banana, fruity).

  5. Pepper + olivetop 11% of all pairs
    Smell alikemoderate
    Cooked together30,263 recipes

    Shared aroma: 2,4-decadienal (seaweed).

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Eggs
Yolks add richness and bind the filling into a creamy mass.
Dry mustard
Adds a sharp, savory bite that balances the rich yolks.
Heavy cream
Adds moisture and a smooth, creamy texture to the filling.
Olive oil
Adds fat that makes the yolk mixture smooth and silky.
Vinegar
Adds acidity that brightens the flavor and cuts the richness.

The step that matters

Boil the eggs for 20 minutes. Boiling too long causes a gray-green ring around the yolks and makes the yolks dry and crumbly. Timing the boil carefully keeps the yolks bright and creamy for mixing.

Flavor stand-ins for the mustard

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

  1. Capsicumbetter flavor fit
  2. Spinachabout as good a flavor fit
  3. Mustardthe original
  4. Cucumberabout as good a flavor fit

Fit is the average pairing score against egg, cream, pepper, olive, vinegar. Candidates are from the same food group and used in at least 100 recipes. This compares flavor only: it does not check the job the ingredient does in the dish (bulk, moisture, acidity, structure).

“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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