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Dessert

Arrowroot Blanc-mange

A custard-like dessert made with arrowroot, sugar, eggs, vanilla, and milk.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Why it works: Arrowroot and vanilla match in chemistry and in kitchens. They rank in the top 3% of all ingredient pairs, and cooks put them together in 242 recipes. Both carry coumarin, which smells sweet, hay. The science ↓

Arrowroot Blanc-mange

Ingredients

Directions

  1. Beat together the arrowroot, sugar, eggs, and vanilla in a bowl.

  2. Boil the milk in a saucepan.

  3. Gradually pour the hot milk into the mixture, stirring constantly until it thickens.

  4. Pour the mixture into a mold and let it set.

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. Arrowroot + vanillatop 3% of all pairs
    Smell alikestrong
    Cooked together242 recipes

    Shared aroma: coumarin (sweet, hay).

  2. Vanilla + milktop 5% of all pairs
    Smell alikemoderate
    Cooked together19,187 recipes

    Shared aroma: ethyl caproate (fruity, apple peel).

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

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

  4. Arrowroot + milktop 18% of all pairs
    Smell alikemoderate
    Cooked together817 recipes

    Shared aroma: 2-methylbutyraldehyde (malty, chocolate).

  5. Egg + milktop 18% of all pairs
    Smell alikemoderate
    Cooked together88,785 recipes

    Shared aroma: 2-nonenal (fatty, green).

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

Arrowroot
Thickens the milk into a smooth, set custard as it heats.
Eggs
Add richness and help give the blancmange body and structure.
Sugar
Adds sweetness and softens the set texture.
Milk
Forms the liquid base that thickens and sets into the dessert.

The step that matters

Gradually pour the hot milk into the mixture, stirring constantly. Adding hot milk too quickly can scramble the eggs, and without constant stirring the starch can clump and thicken unevenly. Gradual addition and steady stirring keep the mixture smooth as the starch gelatinises.

Swap the arrowroot

How well each one fits the dish's main ingredients (sugar, egg, vanilla, milk):

  1. Sweet potatofits about as well
  2. Arrowrootthe original
  3. Capsicumfits less well
  4. Asparagusfits less well

Fit is the average pairing score against sugar, egg, vanilla, 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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