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White Sauce

A simple béchamel sauce made with butter, flour, milk, salt, white pepper, and optional cauliflower.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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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 ↓

White Sauce

Ingredients

Directions

  1. Melt the butter in a hot saucepan.

  2. Stir in the flour until well combined.

  3. Gradually add the milk, stirring constantly until it boils.

  4. Season with salt and white pepper.

  5. If desired, add finely chopped cauliflower.

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. Flour + cauliflowertop 12% of all pairs
    Smell alikemoderate
    Cooked together569 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  3. Butter + flourtop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  4. Flour + milktop 14% of all pairs
    Smell alikelow
    Cooked together78,219 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  5. Milk + cauliflowertop 20% of all pairs
    Smell alikemoderate
    Cooked together314 recipes

    Shared aroma: 1-octen-3-one (mushroom, metallic).

Butter and flour barely smell alike, yet cooks put them together in 124,287 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

Butter
Melts to form the fat base that the flour is cooked into, adding richness and smooth flavour.
Flour
Thickens the milk as its starch swells on heating, giving the sauce body.
Milk
Forms the liquid of the sauce, which thickens into a smooth, pourable sauce as it heats.

The step that matters

Adding the milk gradually while stirring constantly. Adding milk slowly and stirring keeps the flour evenly dispersed in the fat, preventing lumps. Stirring until it boils lets the starch swell fully so the sauce thickens smoothly.

Swap the cauliflower

The recipe marks cauliflower as optional. How well each one fits the dish's main ingredients (butter, flour, milk, white pepper):

  1. Potatofits better
  2. Arrowrootfits better
  3. Shallotfits better
  4. Cauliflowerthe original

Fit is the average pairing score against butter, flour, milk, white pepper. 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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