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Salad

Lettuce Dressing

A simple dressing made with eggs, oil, butter, vinegar, sugar, and mustard.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Why it works: Vinegar and mustard 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 ↓

Lettuce Dressing

Ingredients

Directions

  1. Beat the eggs well in a saucepan.

  2. Add the oil, butter, vinegar, and sugar.

  3. Stir continuously while cooking until thickened.

  4. Once done, stir in the mustard.

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. Vinegar + mustardtop 7% of all pairs
    Smell alikemoderate
    Cooked together14,067 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  2. Vinegar + sugartop 15% of all pairs
    Smell alikemoderate
    Cooked together20,806 recipes

    Shared aroma: beta-damascenone (apple, rose).

  3. Egg + buttertop 17% of all pairs
    Smell alikemoderate
    Cooked together118,967 recipes

    Shared aroma: decanal (soap, orange peel).

  4. Butter + sugartop 17% of all pairs
    Smell alikemoderate
    Cooked together98,233 recipes

    Shared aroma: guaiacol (smoky, sweet).

  5. Sugar + mustardtop 19% of all pairs
    Smell alikemoderate
    Cooked together8,424 recipes

    Shared aroma: guaiacol (smoky, sweet).

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

What each ingredient does

Eggs
Set and thicken the dressing as they cook, giving it body.
Oil
Adds richness and a smooth, silky mouthfeel to the dressing.
Butter
Adds richness and flavour, helping emulsify the dressing as it cooks.
Vinegar
Provides the sharp acidity that balances the richness of the eggs and fat.
Sugar
Softens the sharpness of the vinegar, adding sweetness to balance acidity.
Mustard
Adds sharp flavour and helps stabilise the emulsion.

The step that matters

Stir continuously while cooking until thickened. Egg proteins set with heat and can scramble if they overheat or sit still. Constant stirring keeps the heat even, so the dressing thickens smoothly rather than curdling.

Swap the mustard

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

  1. Mustardthe original
  2. Capsicumfits about as well
  3. Cucumberfits about as well
  4. Shallotfits about as well

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