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Sauce

White Sauce

A simple white sauce made from butter, flour, milk, salt, and white pepper.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 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

Make the sauce

  1. Melt the butter in a saucepan.

  2. Add the flour and stir constantly until blended.

  3. Once mixed and bubbling, pour in the milk.

  4. Stir continuously until the sauce is smooth and thick enough to coat the back of a spoon.

  5. Cook for at least 1 minute after it reaches a boil, then season to taste.

Hold and serve

  1. If not used immediately, keep it warm over boiling water.

  2. If the sauce thickens while standing, thin it with a little boiling milk before serving.

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

    Shared aroma: isobutyraldehyde (malty, green).

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

    Shared aroma: isobutyraldehyde (malty, green).

  4. Butter + white peppertop 28% of all pairs
    Smell alikelow
    Cooked together3,814 recipes

    Shared aroma: eucalyptol (eucalyptus, herbal).

  5. Milk + white peppertop 31% of all pairs
    Smell alikelow
    Cooked together1,304 recipes

    Shared aroma: eucalyptol (eucalyptus, herbal).

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
Adds fat and rich flavour to the roux base.
Flour
Thickens the sauce as it cooks with the butter and milk.
Milk
Forms the liquid that the flour thickens into a smooth sauce.

The step that matters

Stirring while the milk goes in. Flour lumps form if liquid is added to a hot roux without constant stirring. Continuous stirring disperses the starch so the sauce stays smooth as it thickens.

Swap the white pepper

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

  1. Cinnamonfits better
  2. Nutmegfits better
  3. Jalapenofits better
  4. White pepperthe original

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