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Dessert

Preserved Citron Melon

A preserved citron melon made by boiling fruit in sugar syrup and storing in jars.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Why it works: Melon and lemon work together. They rank in the top 14% of all ingredient pairs, and cooks put them together in 362 recipes. Both carry trans-2-nonenal, which smells cardboard, fatty. The science ↓

Preserved Citron Melon

Ingredients

Directions

Prepare the fruit

  1. Cut off the hard rind of the melon.

  2. Slice the melon into pieces ¼ to ½ inch thick.

  3. Weigh the fruit.

  4. Add 1 pound of sugar for every pound of fruit.

Make the syrup

  1. Combine the sugar with ½ cup of water for each pound of sugar in a preserving kettle.

  2. Dissolve the isinglass in warm water.

  3. Boil the sugar mixture.

  4. Skim off any foam.

  5. Pour the syrup out.

  6. Wash the kettle.

  7. Return the syrup to the kettle.

Cook the fruit

  1. Add the fruit to the syrup.

  2. Boil rapidly until the fruit is translucent, about 1 hour and 15 to 90 minutes.

  3. Slice the lemon.

  4. Cook the lemon with the fruit.

  5. Remove the fruit piece by piece.

  6. Spread the fruit on dishes.

  7. Strain the syrup into a pan.

  8. Let the syrup be lukewarm.

Jar and seal

  1. Place the fruit in jars.

  2. Pour the syrup over the fruit.

  3. Let the jars stand overnight.

  4. Cover the jars with brandy paper.

  5. Seal the jars.

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 + lemontop 14% of all pairs
    Smell alikemoderate
    Cooked together362 recipes

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

  2. Sugar + lemontop 18% of all pairs
    Smell alikelow
    Cooked together53,532 recipes

    Shared aroma: 2-nonenal (fatty, green).

  3. Melon + sugartop 21% of all pairs
    Smell alikelow
    Cooked together796 recipes

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

Sugar and lemon barely smell alike, yet cooks put them together in 53,532 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

Sugar
Sweetens the fruit and, at high concentration, preserves it while making it translucent.
Isinglass
Acts as a clarifying and setting agent, helping the syrup stay clear and the preserve firm.
Lemon
Adds acidity and aroma as an optional flavoring.

The step that matters

Boil rapidly until the fruit is translucent. Sugar must penetrate the fruit gradually as it cooks. Stopping too early leaves the fruit opaque and under-preserved, while overcooking can make it soft and break it apart.

Swap the lemon

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

  1. Vanillafits better
  2. Pineapplefits better
  3. Pearfits better
  4. Lemonthe original

Fit is the average pairing score against melon, sugar. 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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