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Sauce

Vinegar Sauce

A sauce made with butter, flour, boiling water, caramel, sugar, and vinegar.

From an old cookbook · modernised transcription
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Why it works: Butter and flour are a kitchen classic. They rank in the top 12% of all ingredient pairs, and cooks put them together in 124,287 recipes. Both carry isobutyraldehyde, which smells malty, green. The science ↓

Vinegar Sauce

Ingredients

Directions

  1. Brown the butter in a hot saucepan.

  2. Rub in the flour.

  3. Slowly add the boiling water while stirring constantly.

  4. Add the caramel and sugar.

  5. Place over a boiling tea kettle for 15 minutes.

  6. Stir in the vinegar and serve.

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

    Shared aroma: isobutyraldehyde (malty, green).

  2. Flour + sugartop 15% of all pairs
    Smell alikemoderate
    Cooked together92,116 recipes

    Shared aroma: phenylacetaldehyde (hawthorne, honey).

  3. Sugar + vinegartop 15% of all pairs
    Smell alikemoderate
    Cooked together20,806 recipes

    Shared aroma: beta-damascenone (apple, rose).

  4. Butter + sugartop 17% of all pairs
    Smell alikemoderate
    Cooked together98,233 recipes

    Shared aroma: guaiacol (smoky, sweet).

  5. Butter + vinegartop 23% of all pairs
    Smell alikemoderate
    Cooked together13,513 recipes

    Shared aroma: isoamyl acetate (banana, pear).

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
Browns in the pan to add a nutty, toasted flavor to the sauce.
Flour
Thickens the sauce as it combines with the butter and liquid.
Sugar
Adds sweetness to balance the sharpness of the vinegar.
Vinegar
Adds acidity, giving the sauce its sharp, tangy character.

The step that matters

Slowly add the boiling water while stirring constantly. Adding liquid gradually while stirring keeps the flour smooth and prevents lumps from forming as the starch hydrates and thickens the sauce.

“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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