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Dessert

Watermelon Pickle

A pickled watermelon made by boiling watermelon, then simmering vinegar, sugar, and spices, and repeating the process over three mornings.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 ingredients
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Why it works: Cinnamon and clove match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 14,189 recipes. Both carry ethyl cinnamate, which smells sweet, balsamic. The science ↓

Watermelon Pickle

Ingredients

Directions

Prepare the watermelon

  1. Cut the watermelon into pieces and boil until tender.

Make the syrup and pickle

  1. In a pot, scald the vinegar and add sugar and spices.

  2. Pour the mixture over the watermelon pieces.

  3. Repeat this process for three consecutive mornings.

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. Cinnamon + clovetop 1% of all pairs
    Smell alikestrong
    Cooked together14,189 recipes

    Shared aroma: ethyl cinnamate (sweet, balsamic).

  2. Clove + allspicetop 1% of all pairs
    Smell alikestrong
    Cooked together7,874 recipes

    Shared aroma: estragole (anise, licorice).

  3. Cinnamon + allspicetop 1% of all pairs
    Smell alikestrong
    Cooked together5,536 recipes

    Shared aroma: estragole (anise, licorice).

  4. Sugar + cinnamontop 10% of all pairs
    Smell alikelow
    Cooked together30,779 recipes

    Shared aroma: guaiacol (smoky, sweet).

  5. Vinegar + allspicetop 13% of all pairs
    Smell alikemoderate
    Cooked together4,548 recipes

    Shared aroma: 2-methylbutyl acetate (fruit).

Sugar and cinnamon barely smell alike, yet cooks put them together in 30,779 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
Forms the bulk of the pickle; boiling softens it so it can absorb the syrup.
Sugar
Sweetens the pickle and helps preserve it by drawing out moisture.
Vinegar
Adds the sharp acidity that gives the pickle its tang and helps preserve it.
Cinnamon
Adds warm, sweet spice aroma.
Cloves
Adds a pungent, warm aroma.
Allspice
Adds a warm, peppery aroma.

The step that matters

Repeating the syrup pour on three mornings. Repeating the hot syrup over several days lets sugar and spice penetrate the watermelon gradually. Skipping a repeat leaves the pieces less flavoured and less infused, so the pickle may taste weak or underdeveloped.

Swap the clove

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

  1. Clovethe original
  2. Nutmegfits about as well
  3. Gingerfits less well
  4. Cardamomfits less well

Fit is the average pairing score against sugar, vinegar, cinnamon, allspice. 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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