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Dessert

Orange Charlotte

A gelatin dessert made with orange and lemon juice, sugar, egg whites, and sponge cake.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 9 ingredients
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Why it works: Lemon and orange 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 Charlotte

Ingredients

Directions

Prepare

  1. Soak the gelatine in cold water for 1 hour.

  2. Pour boiling water over the lemon and orange juice, cover, and let stand for 30 minutes.

Make the filling

  1. Add sugar and bring to a boil, then stir in the dissolved gelatine.

  2. Once cool, beat in the egg whites.

Set

  1. Pour into a mold lined with sponge cake and refrigerate until set.

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. Lemon + orangetop 1% of all pairs
    Smell alikestrong
    Cooked together10,634 recipes

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

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

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

  3. Lemon + eggtop 19% of all pairs
    Smell alikelow
    Cooked together44,316 recipes

    Shared aroma: (e,e)-2,4-decadienal (fatty, deep fried).

  4. Sugar + orangetop 20% of all pairs
    Smell alikelow
    Cooked together19,212 recipes

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

  5. Sugar + eggtop 21% of all pairs
    Smell alikemoderate
    Cooked together122,807 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

Gelatine
Sets the liquid filling into a firm, sliceable structure as it cools.
Egg whites
Whipped into the filling to make it light and airy in texture.
Sugar
Adds sweetness and helps balance the sharpness of the citrus.
Orange juice
Provides the main orange flavour and moisture in the filling.
Lemon juice
Adds acidity that brightens the citrus flavour.
Sponge cake
Lines the mold, giving the charlotte a soft base and structure around the filling.

The step that matters

Beating in the egg whites once cool. If the filling is still warm, the egg whites can cook or deflate and lose their airiness. If it has already started to set, the whites will not blend in evenly and may leave lumps. Wait until it is cool but still liquid.

Swap the orange

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

  1. Orangethe original
  2. Vanillafits about as well
  3. Limefits less well
  4. Raisinfits less well

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