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Dessert

Vanilla Sauce

A simple vanilla sauce made by combining sugar, flour, butter, boiling water, and vanilla extract.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Why it works: Sugar and vanilla are a kitchen classic. They rank in the top 8% of all ingredient pairs, and cooks put them together in 35,032 recipes. Both carry beta-damascenone, which smells apple, rose. The science ↓

Vanilla Sauce

Ingredients

Directions

  1. Mix sugar and flour in a saucepan.

  2. Add butter and blend over medium heat.

  3. Gradually add boiling water while stirring constantly.

  4. Boil for five minutes.

  5. Remove from heat and stir in vanilla extract.

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. Sugar + vanillatop 8% of all pairs
    Smell alikelow
    Cooked together35,032 recipes

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

  2. Flour + buttertop 12% of all pairs
    Smell alikelow
    Cooked together124,287 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  3. Flour + vanillatop 12% of all pairs
    Smell alikemoderate
    Cooked together19,241 recipes

    Shared aroma: isobutyraldehyde (malty, green).

  4. Butter + vanillatop 14% of all pairs
    Smell alikemoderate
    Cooked together20,050 recipes

    Shared aroma: guaiacol (smoky, sweet).

  5. Sugar + flourtop 15% of all pairs
    Smell alikemoderate
    Cooked together92,116 recipes

    Shared aroma: phenylacetaldehyde (hawthorne, honey).

Sugar and vanilla barely smell alike, yet cooks put them together in 35,032 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 sauce as its starch swells and sets in the hot liquid.
Sugar
Sweetens the sauce and adds body to its flavour.
Butter
Adds fat for richness and a smooth, rounded mouthfeel.
Boiling water
Forms the liquid base that the flour thickens into a sauce.
Vanilla extract
Adds aroma and its characteristic vanilla flavour.

The step that matters

Gradually add boiling water while stirring constantly. Flour clumps if the hot water goes in too fast. Adding it slowly while stirring keeps the starch dispersed so the sauce thickens evenly and stays smooth.

Swap the vanilla

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

  1. Raisinfits better
  2. Vanillathe original
  3. Figfits less well
  4. Coconutfits less well

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