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Preserve

To Preserve Citron

A method for preserving citron by simmering with water, lemons, ginger, and gelatin.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Why it works: Lemon and ginger match in chemistry and in kitchens. They rank in the top 5% of all ingredient pairs, and cooks put them together in 5,154 recipes. Both carry beta-phellandrene, which smells minty, terpene. The science ↓

To Preserve Citron

Ingredients

Directions

Simmer the citron

  1. Combine 1 pint of water in a pot and bring to a simmer for 20 minutes.

  2. Add the citron strips and boil for 1 hour.

Add the lemons and ginger

  1. Before removing from heat, add the sliced lemons and root ginger.

  2. Do not boil long after adding lemons and ginger, and do not stir while boiling.

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 + gingertop 5% of all pairs
    Smell alikestrong
    Cooked together5,154 recipes

    Shared aroma: beta-phellandrene (minty, terpene).

  2. Lemon + gelatintop 27% of all pairs
    Smell alikelow
    Cooked together1,215 recipes

    Shared aroma: beta-pinene (pine, resin).

  3. Ginger + gelatintop 29% of all pairs
    Smell alikelow
    Cooked together86 recipes

    Shared aroma: beta-pinene (pine, resin).

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Citron
Its thick rind softens during the long boil, becoming tender and translucent enough to eat.
Lemons
Add sharp acidity and bright citrus aroma to the sweet, preserved citron.
Root ginger
Adds warm, peppery aroma that balances the sweetness of the preserve.

The step that matters

Adding the lemons and ginger. Adding them just before removing the pot and boiling only briefly keeps their bright aroma and flavour. Prolonged boiling breaks down citrus pulp and can make the flavour bitter. Not stirring helps the slices stay intact.

Swap the ginger

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

  1. Tarragonfits better
  2. Parsleyfits better
  3. Peppermintfits better
  4. Gingerthe original

Fit is the average pairing score against lemon, gelatin. 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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