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Sauce

White Sauce

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

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Why it works: Milk and butter 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 saucepan and remove from heat.

  2. Stir in the flour, salt, and pepper until smooth.

  3. Gradually add the cold milk, stirring constantly.

  4. Return to heat and cook for 3 minutes, stirring constantly until thickened.

  5. Alternatively, mix enough cold milk with the dry ingredients to make a thin batter.

  6. Add this mixture to hot milk and boil for 3 minutes, stirring constantly.

  7. Remove from heat and stir in the butter.

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 + buttertop 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. Milk + flourtop 14% of all pairs
    Smell alikelow
    Cooked together78,219 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  4. Flour + peppertop 19% of all pairs
    Smell alikemoderate
    Cooked together50,459 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  5. Butter + peppertop 21% of all pairs
    Smell alikemoderate
    Cooked together85,593 recipes

    Shared aroma: trans-2-nonenal (cardboard, fatty).

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

Flour
Thickens the milk into a smooth sauce as its starch swells when heated.
Butter
Adds richness and flavor and helps keep the flour smooth when stirred in.
Milk
Forms the liquid base that the flour thickens into a sauce.

The step that matters

Adding the cold milk gradually while stirring constantly. Adding liquid slowly while stirring keeps the flour dispersed, so the starch hydrates evenly instead of forming lumps. Heating then thickens the sauce as the starch swells.

“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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