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Dessert

Orange Mould

A chilled orange custard made with orange juice, lemon juice, milk, eggs, sugar, and gelatin.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Why it works: Orange and lemon match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 10,634 recipes. Both carry 3-hexenal, which smells apple, fruity. The science ↓

Orange Mould

Ingredients

Directions

Make the custard

  1. Mix the milk with the orange and lemon juice, add the sugar, and heat in a saucepan until hot.

  2. Beat the egg yolks.

  3. When the milk mixture is nearly boiling, pour it into the yolks while stirring continuously.

  4. Return the mixture to the saucepan and stir until it thickens.

  5. Transfer the thickened mixture to a basin to cool.

Set and chill

  1. Dissolve the gelatin in a small amount of milk.

  2. Whisk the egg whites to stiff peaks.

  3. When the custard is nearly cold, stir in the egg whites and dissolved gelatin.

  4. Pour the mixture into a mould that has been soaked in cold water.

  5. Refrigerate the mould overnight.

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. Orange + lemontop 1% of all pairs
    Smell alikestrong
    Cooked together10,634 recipes

    Shared aroma: 3-hexenal (apple, fruity).

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

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

  3. Orange + milktop 15% of all pairs
    Smell alikemoderate
    Cooked together4,696 recipes

    Shared aroma: 1-octen-3-one (mushroom, metallic).

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

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

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

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

Lemon and sugar 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

Eggs
Yolks thicken the custard, and whipped whites add airy lightness to the mousse.
Gelatine
Sets the mousse so it holds its shape when unmoulded.
Orange juice
Provides the main citrus flavour and acidity.
Milk
Forms the custard base and adds richness and body.
Sugar
Sweetens the mousse and balances the citrus acidity.

The step that matters

Stirring the yolks into the hot milk. Pouring hot milk into the yolks too quickly, or without stirring, can scramble the eggs and leave lumps. Adding it gradually while stirring keeps the custard smooth and lets it thicken evenly.

Swap the orange

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

  1. Vanillafits better
  2. Orangethe original
  3. Figfits about as well
  4. Blueberryfits about as well

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