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Dessert

Preserved Melon-rind

A preserved watermelon rind stewed and sweetened with syrup, lemon, and ginger.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 7 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 ↓

Preserved Melon-rind

Ingredients

Directions

Prepare the rind

  1. Pare off the skins and mince the rind of the watermelon, cutting it into pieces.

  2. In a stewpan, layer the rind between two layers of vine leaves, sprinkling a little powdered alum in between.

  3. Add enough water to barely cover the upper layer of leaves, cover the pan, and steam for 2 hours without boiling.

  4. Remove the rind and soak it in cold water for 3 to 4 hours, changing the water twice.

Make the syrup and preserve

  1. Make a thick syrup and simmer the rind in it for about 1 hour.

  2. Remove the rind and lay it on a large dish in the sun to cool, then repeat the process.

  3. Later, put the syrup back in the pan, flavor it with lemon juice and ginger, and boil until thick.

  4. Fill jars with the rind and pour in the syrup, then seal when 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. Lemon + gingertop 5% of all pairs
    Smell alikestrong
    Cooked together5,154 recipes

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

  2. Syrup + sugartop 6% of all pairs
    Smell alikestrong
    Cooked together5,842 recipes

    Shared aroma: ethanol (alcoholic, ethereal).

  3. Syrup + gingertop 16% of all pairs
    Smell alikelow
    Cooked together950 recipes

    Shared aroma: ethanol (alcoholic, ethereal).

  4. Sugar + gingertop 17% of all pairs
    Smell alikelow
    Cooked together14,054 recipes

    Shared aroma: 1-penten-3-one (fish, pungent).

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

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

Sugar and ginger barely smell alike, yet cooks put them together in 14,054 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

Watermelon rind
Forms the bulk of the preserve and becomes tender and translucent as it cooks in syrup.
Alum
Firms the rind's texture so it stays crisp rather than turning mushy during cooking.
Loaf sugar syrup
Sweetens the preserve and draws moisture out of the rind, helping it keep.
Lemon juice
Adds acidity that brightens the sweetness and helps balance the syrup.
Ginger
Contributes a warm, aromatic flavor to the syrup.

The step that matters

Steaming without boiling. If the water boils hard, the rind can break down and turn ragged. Gentle steaming softens it evenly while keeping its shape for the syrup stage.

Swap the lemon

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

  1. Vanillafits better
  2. Lemonthe original
  3. Pearfits about as well
  4. Raisinfits about as well

Fit is the average pairing score against syrup, sugar, ginger. 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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