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A Good Boiled Dressing

A dressing made by boiling egg yolks with sugar, mustard, vinegar, butter, cream, and seasonings.

From an old cookbook · modernised transcription
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Why it works: Mustard and celery are a kitchen classic. They rank in the top 2% of all ingredient pairs, and cooks put them together in 4,169 recipes. Both carry guaiacol, which smells smoky, sweet. The science ↓

A Good Boiled Dressing

Ingredients

Directions

Prepare the base

  1. Beat the yolks of 4 eggs in a bowl.

  2. Add 1 teaspoon of sugar and 1 teaspoon of mixed mustard.

  3. Stir in ½ cup of vinegar, ½ cup of butter, and ½ cup of cream.

Cook the dressing

  1. Place the bowl over hot water on the stove and stir frequently until thick like boiled custard.

Season and store

  1. Once cooled, season with salt, pepper, and celery extract if desired.

  2. Thin the dressing with lemon juice as needed.

  3. Refrigerate and use within 10 days.

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 + celerytop 2% of all pairs
    Smell alikemoderate
    Cooked together4,169 recipes

    Shared aroma: guaiacol (smoky, sweet).

  2. Pepper + celerytop 5% of all pairs
    Smell alikestrong
    Cooked together16,012 recipes

    Shared aroma: 4'-methylacetophenone (bitter almond).

  3. Mustard + vinegartop 7% of all pairs
    Smell alikemoderate
    Cooked together14,067 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  4. Butter + creamtop 8% of all pairs
    Smell alikemoderate
    Cooked together41,516 recipes

    Shared aroma: delta-dodecalactone (sweet, creamy).

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

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

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

What each ingredient does

Egg yolks
Their proteins set when heated, thickening the dressing and giving it body.
Vinegar
Adds sharp acidity that cuts the richness of the butter and cream.
Butter
Adds fat for smooth richness and a silky mouthfeel.
Cream
Adds moisture and softens the dressing's texture.
Sugar
Adds sweetness that balances the sharpness of the vinegar.
Mixed mustard
Its emulsifying compounds help hold the fat and liquids together smoothly.

The step that matters

Cooking over hot water until thick. Egg yolk proteins thicken with gentle heat, but too much heat or too little stirring can scramble them into lumps. Stir frequently over moderate heat so the custard thickens evenly and stays smooth.

Swap the celery

The recipe marks celery as optional. How well each one fits the dish's main ingredients (egg, sugar, mustard, vinegar, butter, cream, pepper):

  1. Tarragonfits better
  2. Nutmegfits better
  3. Capersfits better
  4. Celerythe original

Fit is the average pairing score against egg, sugar, mustard, vinegar, butter, cream, 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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