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Dessert

Orange Float

A chilled dessert of orange slices in a lemon‑sugar‑cornstarch custard topped with whipped egg whites and served with cream.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 10 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 Float

Ingredients

Directions

Make the lemon syrup

  1. In a pot, add 2 grated lemons and 1 cup of sugar to 1 quart of boiling water.

  2. Mix 2 tablespoons of cornstarch with a little cold water, then add to the boiling mixture.

  3. Cook for 15 minutes, then let it cool.

Assemble and top

  1. Pour the mixture over 5 sliced oranges sprinkled with 2 tablespoons of sugar.

  2. Beat 3 egg whites with 2 tablespoons of sugar until stiff, then add 1 teaspoon of vanilla.

  3. Spread the egg white mixture on top of the cooled fruit mixture.

  4. Serve with cream.

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. Orange + vanillatop 6% of all pairs
    Smell alikemoderate
    Cooked together2,371 recipes

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

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

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

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

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

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

    Shared aroma: eucalyptol (eucalyptus, herbal).

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

Cornstarch
Thickens the boiling liquid into a soft, spoonable syrup as its starch gelatinizes.
Egg whites
Whipped into a stiff foam that forms the light, airy float on top of the fruit.
Oranges
Provide the main fruit flavor and juicy base under the thickened syrup.
Lemons
Add bright acidity and aroma from the grated pulp and peel.

The step that matters

Beat the egg whites until stiff. Egg whites must be beaten to a stiff foam to trap air and hold their shape on top. Underbeaten whites collapse and sink into the fruit, and any fat or yolk left in the bowl prevents them from whipping.

Swap the lemon

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

  1. Strawberryfits better
  2. Figfits better
  3. Raspberryfits better
  4. Lemonthe original

Fit is the average pairing score against sugar, orange, egg, vanilla, 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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