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Salad

French Dressing

A vinaigrette dressing made with salt, pepper, oil, vinegar, and optional onion juice.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Why it works: Pepper and onion are a kitchen classic. They rank in the top 11% of all ingredient pairs, and cooks put them together in 68,474 recipes. Both carry 2-isopropyl-3-methoxypyrazine, which smells earthy, pea. The science ↓

French Dressing

Ingredients

Directions

Make the dressing

  1. In a bowl, combine salt and pepper, then dissolve them with vinegar.

  2. Slowly add the oil while beating well.

Use

  1. Use this dressing for egg or vegetable salads, or to marinate meat or fish salad before adding mayonnaise.

  2. You can substitute lemon juice for vinegar.

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 + oniontop 11% of all pairs
    Smell alikemoderate
    Cooked together68,474 recipes

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

  2. Vinegar + oniontop 14% of all pairs
    Smell alikemoderate
    Cooked together18,226 recipes

    Shared aroma: acetic acid (sour, vinegar).

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

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

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 carries flavour, giving it a smooth, rich mouthfeel.
Vinegar
Adds acidity that sharpens the flavour and balances the richness of the oil.
Salt
Seasons the dressing and helps dissolve into the vinegar for even flavour.

The step that matters

Slowly add the oil while beating well. Oil and vinegar are not naturally miscible. Adding oil slowly while beating breaks it into small droplets that stay suspended, producing a smooth emulsion instead of separated layers.

Swap the onion

The recipe marks onion as optional. How well each one fits the dish's main ingredients (pepper, vinegar):

  1. Capsicumfits better
  2. Mustardfits better
  3. Cabbagefits better
  4. Onionthe original

Fit is the average pairing score against pepper, vinegar. 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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