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Dessert

Arrowroot Jelly or Blanc-mange

A sweet dessert made by thickening sugar‑sweetened water or milk with arrowroot, flavored with lemon juice or brandy, served with cream or fruit compote.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 8 ingredients
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Why it works: Arrowroot and lemon match in chemistry and in kitchens. They rank in the top 4% of all ingredient pairs, and cooks put them together in 553 recipes. Both carry coumarin, which smells sweet, hay. The science ↓

Arrowroot Jelly or Blanc-mange

Ingredients

Directions

Make the jelly

  1. Rub the arrowroot smooth with a little cold water.

  2. Add it to the boiling water or rich milk that has been sweetened with sugar.

  3. Stir and boil until thickened.

  4. If using water, flavor with lemon juice; if using milk, flavor with brandy or wine.

  5. Pour into a cup or small mold.

Serve

  1. Serve with cream and sugar poured over, or with a compote of fruit around it.

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 + lemontop 4% of all pairs
    Smell alikestrong
    Cooked together553 recipes

    Shared aroma: coumarin (sweet, hay).

  2. Sugar + creamtop 9% of all pairs
    Smell alikemoderate
    Cooked together43,450 recipes

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

  3. Milk + lemontop 15% of all pairs
    Smell alikemoderate
    Cooked together19,053 recipes

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

  4. Milk + brandytop 15% of all pairs
    Smell alikemoderate
    Cooked together3,738 recipes

    Shared aroma: gamma-nonanolactone (coconut, sweet).

  5. Brandy + creamtop 16% of all pairs
    Smell alikelow
    Cooked together2,635 recipes

    Shared aroma: 2-heptanol (bitter, floral).

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

What each ingredient does

Arrowroot
Thickens the liquid into a clear, soft jelly as it boils.
Sugar
Sweetens the jelly and balances any tartness from lemon juice.
Rich milk
Adds fat and body, giving a softer, creamier jelly when used instead of water.

The step that matters

Stir and boil until thickened. Arrowroot must be fully boiled to gelatinize its starch and thicken; undercooked arrowroot stays thin and cloudy, and it should be stirred constantly to prevent lumps.

Swap the lemon

The recipe marks lemon as optional. How well each one fits the dish's main ingredients (arrowroot, milk, sugar, brandy, cream):

  1. Vanillafits better
  2. Strawberryfits better
  3. Apricotfits better
  4. Lemonthe original

Fit is the average pairing score against arrowroot, milk, sugar, brandy, cream. 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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