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Boiled Dressing

A creamy dressing made by boiling butter, spices, milk, egg yolks, and vinegar.

From an old cookbook · modernised transcription
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Why it works: Butter and milk are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 81,283 recipes. Both carry (z)-4-heptenal, which smells biscuit, cream. The science ↓

Boiled Dressing

Ingredients

Directions

  1. Cream the butter in a bowl.

  2. Add salt, mustard, and paprika; mix well.

  3. Stir in the hot milk and sugar.

  4. Gradually add the beaten egg yolks, stirring constantly.

  5. Cook in a double boiler until thick.

  6. Slowly add the hot vinegar, strain, and cool.

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. Butter + milktop 7% of all pairs
    Smell alikemoderate
    Cooked together81,283 recipes

    Shared aroma: (z)-4-heptenal (biscuit, cream).

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

    Shared aroma: isobutyraldehyde (malty, green).

  3. Sugar + vinegartop 15% of all pairs
    Smell alikemoderate
    Cooked together20,806 recipes

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

  4. Butter + eggtop 17% of all pairs
    Smell alikemoderate
    Cooked together118,967 recipes

    Shared aroma: decanal (soap, orange peel).

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

Egg yolks
Thicken the dressing as they cook and set, giving it a smooth, rich body.
Butter
Adds richness and a smooth mouthfeel to the dressing.
Milk
Forms the liquid base that the egg yolks thicken into a custard-like sauce.
Vinegar
Adds acidity that sharpens the flavor and balances the richness.

The step that matters

Cook in a double boiler until thick. Egg yolks thicken and can scramble if overheated. Gentle, indirect heat from a double boiler, with constant stirring, lets the yolks set smoothly without curdling.

Swap the mustard

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

  1. Capsicumfits about as well
  2. Potatofits about as well
  3. Mustardthe original
  4. Asparagusfits about as well

Fit is the average pairing score against butter, milk, sugar, egg, 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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