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Dessert

Mount Blanc

A gelatin dessert made with lemon rind, sugar, egg whites, milk, and vanilla.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 ingredients
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Why it works: Milk and vanilla are a kitchen classic. They rank in the top 5% of all ingredient pairs, and cooks put them together in 19,187 recipes. Both carry ethyl caproate, which smells fruity, apple peel. The science ↓

Mount Blanc

Ingredients

Directions

Make the gelatine mixture

  1. Dissolve the gelatine in 1 pint of boiling water.

  2. Add the grated lemon rind and sugar, stirring until combined.

  3. Before the mixture sets, fold in the beaten egg whites.

Make the custard

  1. For the custard, whisk the egg yolks with 1 pint of boiling milk.

  2. Sweeten the custard to taste and add 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. Milk + vanillatop 5% of all pairs
    Smell alikemoderate
    Cooked together19,187 recipes

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

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

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

  3. Lemon + vanillatop 15% of all pairs
    Smell alikemoderate
    Cooked together5,961 recipes

    Shared aroma: eucalyptol (eucalyptus, herbal).

  4. Lemon + milktop 15% of all pairs
    Smell alikemoderate
    Cooked together19,053 recipes

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

  5. Lemon + sugartop 18% of all pairs
    Smell alikelow
    Cooked together53,532 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

Gelatine
Dissolves and sets the liquid, giving the dessert its firm, wobbly structure.
Egg whites
Beaten to stiff froth, they trap air and give the dessert a light, airy texture.
Sugar
Adds sweetness and balances the sharp flavour of the lemon.
Lemon rind
Adds bright citrus aroma and flavour from the oils in the peel.
Milk
Adds richness and a creamy body to the custard.

The step that matters

Fold in the egg whites before the mixture sets. Gelatine begins to set as it cools, and once it thickens the beaten whites cannot be folded in evenly. Folding too late leaves streaks and loses the airy foam that gives the dessert its light texture.

Swap the lemon

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

  1. Figfits better
  2. Peachfits better
  3. Blueberryfits better
  4. Lemonthe original

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