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To Preserve Citron Melon

A method for preserving citron melon by boiling, syruping, and cooling.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 ingredients
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Why it works: Melon and peach share more aroma than cooks usually use. They rank in the top 3% of all ingredient pairs, and cooks put them together in 65 recipes. Both carry 2,6-nonadienal, which smells cucumber, green. The science ↓

To Preserve Citron Melon

Ingredients

Directions

Prepare the melon

  1. Peel and slice the citron melon.

  2. Boil water with peach leaves and alum.

  3. Add the melon slices and boil until soft.

  4. Soak the melon in cold water for 1 hour.

Make the syrup and cook

  1. Make a syrup using the same weight of sugar as the melon.

  2. Add lemons according to the quantity of melon.

  3. Skim the syrup, add the melon, and boil for 20 minutes.

  4. If the syrup is thick when cold, pour it all out; if not, boil more and add sugar.

  5. For extra flavor, add a little preserved ginger root when cold.

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. Melon + peachtop 3% of all pairs
    Smell alikestrong
    Cooked together65 recipes

    Shared aroma: 2,6-nonadienal (cucumber, green).

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

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

  3. Melon + gingertop 7% of all pairs
    Smell alikemoderate
    Cooked together342 recipes

    Shared aroma: methyl 2-methylbutyrate (fruity, apple).

  4. Peach + gingertop 8% of all pairs
    Smell alikemoderate
    Cooked together218 recipes

    Shared aroma: 1-octen-3-one (mushroom, metallic).

  5. Peach + lemontop 12% of all pairs
    Smell alikemoderate
    Cooked together947 recipes

    Shared aroma: trans-2-nonenal (cardboard, fatty).

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

What each ingredient does

Citron melon
Forms the main body of the preserve, becoming tender and translucent as it cooks in syrup.
Sugar
Sweetens the preserve and, as it thickens into syrup, helps preserve the melon.
Lemons
Adds acidity that brightens the sweet syrup and balances its flavor.

The step that matters

Check the syrup consistency when cold. Syrup thickens noticeably as it cools, so judging thickness while it is still hot can lead to overcooking or a runny result. Testing when cold shows the true set, and more boiling with sugar corrects a syrup that is too thin.

Swap the ginger

The recipe marks ginger as optional. How well each one fits the dish's main ingredients (melon, peach, sugar, lemon):

  1. Peppermintfits about as well
  2. Cinnamonfits about as well
  3. Gingerthe original
  4. Basilfits less well

Fit is the average pairing score against melon, peach, sugar, lemon. 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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