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White Sauce for Fish

A creamy sauce made with milk, egg yolk, cream, and lemon juice, used for fish.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 ingredients
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Why it works: Milk and lemon are a kitchen classic. They rank in the top 15% of all ingredient pairs, and cooks put them together in 19,053 recipes. Both carry 2-nonenal, which smells fatty, green. The science ↓

White Sauce for Fish

Ingredients

Directions

Make the sauce

  1. Boil the milk in a saucepan.

  2. In a bowl, beat the egg yolk with the cream.

  3. Slowly add the hot milk to the egg mixture, stirring constantly.

  4. Mix in the strained lemon juice.

  5. Stir over low heat until the sauce thickens.

Serve

  1. Serve immediately.

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. Milk + lemontop 15% of all pairs
    Smell alikemoderate
    Cooked together19,053 recipes

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

  2. Milk + creamtop 18% of all pairs
    Smell alikemoderate
    Cooked together29,399 recipes

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

  3. Milk + eggtop 18% of all pairs
    Smell alikemoderate
    Cooked together88,785 recipes

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

  4. Egg + lemontop 19% of all pairs
    Smell alikelow
    Cooked together44,316 recipes

    Shared aroma: (e,e)-2,4-decadienal (fatty, deep fried).

  5. Egg + creamtop 24% of all pairs
    Smell alikelow
    Cooked together42,166 recipes

    Shared aroma: acetic acid (sour, vinegar).

Egg and lemon barely smell alike, yet cooks put them together in 44,316 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
Thickens the sauce as it heats and gives it a smooth, rich body.
Cream
Adds fat for a richer, smoother texture and mellows the sauce.
Milk
Forms the liquid base that the yolk thickens into a sauce.
Lemon juice
Adds acidity that brightens the flavour and balances the richness.

The step that matters

Stir over low heat until the sauce thickens. Egg yolk proteins set when heated, so high heat or overheating can curdle the sauce. Gentle, constant stirring keeps it smooth and thickened.

Swap the lemon

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

  1. Vanillafits better
  2. Strawberryfits better
  3. Raspberryfits better
  4. Lemonthe original

Fit is the average pairing score against milk, egg, cream. 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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