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To Preserve Oranges Whole

A method for preserving whole oranges by boiling, filling with sugar, and making a syrup from pippins.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 ingredients
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Why it works: Orange and apple match in chemistry and in kitchens. They rank in the top 7% of all ingredient pairs, and cooks put them together in 2,230 recipes. Both carry beta-damascenone, which smells apple, rose. The science ↓

To Preserve Oranges Whole

Ingredients

Directions

Prepare the oranges

  1. Soak the oranges in water for three days, changing the water daily.

  2. Boil the oranges in a preserving pan with water for seven to eight hours, adding hot water as needed.

  3. Once tender, remove the oranges and scoop out the pulp and seeds.

  4. Weigh the oranges and add 1¾ pounds of sugar for every pound of oranges.

  5. Fill the oranges with sugar and sprinkle some on top.

Make the syrup

  1. Slice a dozen pippins and boil them in water.

  2. Strain the liquid from the boiled pippins.

  3. For every pound of oranges, use 1½ pints of the strained liquid and add a third of the remaining sugar.

  4. Boil the mixture, strain it well, and let it cool.

Cook and set

  1. Place the oranges in the preserving pan with the syrup, ensuring they are covered as much as possible.

  2. Sprinkle the remaining sugar over the oranges while boiling.

  3. Once clear, transfer the oranges to glasses or small jars.

  4. When the syrup thickens to almost a jelly, fill the jars and cover them once cool.

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 + appletop 7% of all pairs
    Smell alikestrong
    Cooked together2,230 recipes

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

  2. Sugar + appletop 18% of all pairs
    Smell alikelow
    Cooked together16,478 recipes

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

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

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

Sugar and apple barely smell alike, yet cooks put them together in 16,478 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 main fruit, with peel that becomes tender and flavourful after long boiling.
Sugar
Sweetens the fruit and helps the syrup thicken to a jelly-like set as it cooks.
Pippins or any other baking apple
Adds natural pectin to the syrup, helping it set into a jelly.

The step that matters

Thickening the syrup to almost a jelly. Sugar and pectin only set when enough water has evaporated and the syrup reaches the right concentration. Stopping too early leaves runny syrup; cooking too long can make it stiff and sugary.

Swap the orange

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

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

Fit is the average pairing score against sugar, apple. 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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