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Dessert

Blanc-mange, or Blamangc

A gelatin dessert made with isinglass, water, cream, sugar, and peach water or bitter almonds.

From an old cookbook · modernised transcription
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Why it works: Cream and sugar are a kitchen classic. They rank in the top 9% of all ingredient pairs, and 43,450 recipes mention both. Both carry 2,3-butanedione, which smells butter, sweet. The science ↓

Blanc-mange, or Blamangc

Ingredients

Directions

Make the mixture

  1. Boil isinglass in water for 30 minutes.

  2. Strain it into a bowl with cream.

  3. Sweeten to taste and add peach water or bitter almonds.

Set and unmold

  1. Boil once more and pour into desired molds.

  2. Let it settle before unmolding.

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 aroma chemistry they share, and how many recipes mention both.

  1. Cream + sugartop 9% of all pairs
    Aroma overlapmoderate
    Mentioned together43,450 recipes

    Shared aroma: 2,3-butanedione (butter, sweet).

  2. Sugar + peachtop 17% of all pairs
    Aroma overlaplow
    Mentioned together2,308 recipes

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

  3. Cream + peachtop 25% of all pairs
    Aroma overlaplow
    Mentioned together721 recipes

    Shared aroma: delta-dodecalactone (sweet, creamy).

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Isinglass
Sets the mixture into a firm, wobbly gel as it cools.
Cream
Adds richness and a smooth, soft texture.
Sugar
Adds sweetness to balance the rich cream.

The step that matters

Boil once more and pour into molds. Isinglass is a gelatin-like protein that sets as it cools. It must be fully dissolved and still liquid when poured, otherwise it may set unevenly or in clumps. Then it needs time to cool and firm before unmolding.

Flavor stand-ins for the peach

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

  1. Vanillabetter flavor fit
  2. Strawberrybetter flavor fit
  3. Raspberrybetter flavor fit
  4. Peachthe original

Fit is the average pairing score against cream, sugar. Candidates are from the same food group and used in at least 100 recipes. This compares flavor only: it does not check the job the ingredient does in the dish (bulk, moisture, acidity, structure).

“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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