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French Dressing

A simple vinaigrette dressing made with egg yolk, oil, salt, pepper, and vinegar or lemon juice.

From an old cookbook · modernised transcription
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Why it works: Pepper and vinegar are a kitchen classic. They rank in the top 14% of all ingredient pairs, and cooks put them together in 27,814 recipes. Both carry 4'-methylacetophenone, which smells bitter almond. The science ↓

French Dressing

Ingredients

Directions

  1. In a bowl, whisk together the egg yolk, oil, salt, and pepper.

  2. Add vinegar or lemon juice and mix well.

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 + vinegartop 14% of all pairs
    Smell alikemoderate
    Cooked together27,814 recipes

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

  2. Egg + vinegartop 33% of all pairs
    Smell alikelow
    Cooked together12,922 recipes

    Shared aroma: acetic acid (sour, vinegar).

  3. Egg + peppertop 33% of all pairs
    Smell alikelow
    Cooked together50,580 recipes

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

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

Egg yolk
Emulsifies the oil and vinegar so the dressing stays smooth instead of separating.
Oil
Provides fat for a rich mouthfeel and carries the flavor of the dressing.
Vinegar or lemon juice
Adds acidity that sharpens the flavor and balances the richness of the oil.

The step that matters

Whisking the oil into the yolk. Egg yolk lecithin helps tiny oil droplets disperse in the liquid. Adding the acid after the oil is well mixed lets the emulsion form more reliably, so the dressing is less likely to split.

“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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