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White Sauce for Vegetables, Etc

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

From an old cookbook · modernised transcription
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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 for Vegetables, Etc

Ingredients

Directions

Prepare

  1. Heat the milk in a double boiler.

  2. Melt the butter in a saucepan.

Make the sauce

  1. Add the flour to the melted butter and stir quickly until combined.

  2. Pour in a little of the heated milk and let it boil while stirring well.

  3. Add the remaining milk and stir until perfectly smooth.

  4. Season with salt and pepper.

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

Milk
Forms the liquid base of the sauce, thickened by the starch-and-fat roux.
Butter
Melted fat that forms the roux with the flour, adding richness and smooth body.
Flour
Starch that thickens the liquid into a sauce when cooked with the butter and milk.

The step that matters

Adding the milk to the roux. Adding the liquid too fast or all at once can cause lumps, because flour starch clumps when it meets liquid unevenly. Stirring steadily while adding a little hot milk first helps the starch disperse, and the sauce thickens as the starch granules swell with heat.

“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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