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Dessert

Lemon Blanc Mange

A lemon custard set in a mold and topped with a lemon syrup and zest.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Why it works: Sugar and gelatin are a kitchen classic. They rank in the top 7% of all ingredient pairs, and cooks put them together in 2,778 recipes. Both carry ethanol, which smells alcoholic, ethereal. The science ↓

Lemon Blanc Mange

Ingredients

Directions

Make the custard

  1. Heat the milk in a saucepan until it boils, then remove from heat.

  2. Beat the egg yolks and sugar together, then whisk them into the hot milk.

  3. Return the mixture to the heat, stirring gently without letting it boil.

  4. Once nearly cool, add the dissolved isinglass and whip until thick.

Set and serve

  1. Oil a mold and pour the custard into it.

  2. Refrigerate overnight.

  3. Create a thin syrup by boiling sugar with lemon juice.

  4. Cut the lemon peel into fine chips and add to the syrup once it cools.

  5. Pour the sauce over the custard before serving.

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 + gelatintop 7% of all pairs
    Smell alikemoderate
    Cooked together2,778 recipes

    Shared aroma: ethanol (alcoholic, ethereal).

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

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

  3. Sugar + lemontop 18% of all pairs
    Smell alikelow
    Cooked together53,532 recipes

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

  4. Milk + eggtop 18% of all pairs
    Smell alikemoderate
    Cooked together88,785 recipes

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

  5. Milk + sugartop 18% of all pairs
    Smell alikelow
    Cooked together77,875 recipes

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

Sugar and lemon barely smell alike, yet cooks put them together in 53,532 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

Egg yolks
Thicken the custard and add richness as they cook gently with the milk.
Isinglass
Gelatin-like setting agent that firms the custard so it holds its shape when chilled.
Milk
Forms the creamy base of the custard that the eggs thicken.
Sugar
Sweetens the custard and the lemon syrup and balances the lemon's acidity.
Lemon
Provides acidity and aroma from the juice and peel in the syrup.

The step that matters

Returning the custard to the heat. Egg yolks thicken through gentle heating, but if the mixture boils they can scramble and turn grainy. Stir gently and keep it below boiling.

Swap the lemon

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

  1. Vanillafits better
  2. Figfits better
  3. Raisinfits about as well
  4. Lemonthe original

Fit is the average pairing score against milk, egg, sugar, gelatin. 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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