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Dessert

Preserved Oranges

A method of preserving oranges by soaking them in sugar syrup and boiling them repeatedly.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 ingredients
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Why it works: Sugar and syrup match in chemistry and in kitchens. They rank in the top 6% of all ingredient pairs, and cooks put them together in 5,842 recipes. Both carry ethanol, which smells alcoholic, ethereal. The science ↓

Preserved Oranges

Ingredients

Directions

Prepare the oranges

  1. Remove the seeds and skin from the pulp of the oranges and return the pulp to the orange cases with some pounded lump sugar.

  2. Replace the rind piece you cut out and tie them with string.

Make the syrup and soak

  1. Make a thin syrup by boiling 1 pound of sugar in 1 pint of water, skimming it well.

  2. Add the oranges to the syrup and let them soak overnight.

Boil over four days

  1. In the morning, boil the oranges gently for 5 minutes, then let them cool.

  2. Repeat boiling for 5 minutes each day for 4 days.

  3. After 4 days, remove the oranges and place them on a dish.

Finish and jar

  1. Melt 1.5 pounds of sugar in the syrup and boil until thick.

  2. Add the oranges back to the syrup, boil once, then place them in small jars with the hole side up.

  3. Pour the syrup over the oranges.

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 + syruptop 6% of all pairs
    Smell alikestrong
    Cooked together5,842 recipes

    Shared aroma: ethanol (alcoholic, ethereal).

  2. Orange + sugartop 20% of all pairs
    Smell alikelow
    Cooked together19,212 recipes

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

  3. Orange + syruptop 23% of all pairs
    Smell alikelow
    Cooked together1,179 recipes

    Shared aroma: ethanol (alcoholic, ethereal).

Orange and sugar barely smell alike, yet cooks put them together in 19,212 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

Oranges
Provide the fruit that is preserved, with pulp and rind both used as the base.
Sugar
Sweetens the fruit and, once boiled thick, preserves it by drawing out water.
Water
Dissolves the sugar to form the thin syrup the oranges soak and cook in.

The step that matters

Gentle boiling over several days. Boiling gently rather than vigorously keeps the orange rind intact and tender. Repeated short boils with cooling between them let the syrup slowly penetrate the fruit, so it becomes preserved without breaking down or turning bitter.

Swap the orange

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

  1. Vanillafits better
  2. Raisinfits better
  3. Pearfits better
  4. Orangethe original

Fit is the average pairing score against sugar, syrup. 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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