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Pickled Watermelon

Pickled watermelon rind prepared by boiling vinegar, sugar, and cassia buds with the rind until clear and tender.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 ingredients
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Why it works: Vinegar and sugar are a kitchen classic. They rank in the top 15% of all ingredient pairs, and cooks put them together in 20,806 recipes. Both carry beta-damascenone, which smells apple, rose. The science ↓

Pickled Watermelon

Ingredients

Directions

Prepare

  1. Pare the green part of the watermelon rind and cut it into small pieces.

  2. In a pot, combine 1 quart of vinegar, 2 pounds of sugar, and 1 ounce of cassia buds.

Pickle

  1. Bring the mixture to a boil and add the rind.

  2. Boil until the rind is clear and tender.

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. Vinegar + sugartop 15% of all pairs
    Smell alikemoderate
    Cooked together20,806 recipes

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

  2. Vinegar + cassiatop 20% of all pairs
    Smell alikemoderate
    Cooked together106 recipes

    Shared aroma: 4-ethyl-2-methoxyphenol (smoky, clove).

  3. Sugar + cassiatop 24% of all pairs
    Smell alikelow
    Cooked together211 recipes

    Shared aroma: 2,3-butanedione (butter, sweet).

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

What each ingredient does

Vinegar
Provides the sharp acidity that gives the pickle its tang and helps preserve it.
Sugar
Adds sweetness and, dissolved in the vinegar, forms the syrup that flavors the rind.
Cassia buds
Contribute a warm, spicy aroma to the pickling liquid.
Watermelon rind
The main ingredient, which softens as it simmers in the hot pickling syrup.

The step that matters

Boil until the rind is clear and tender. Simmering in the hot syrup softens the rind's fibrous flesh. Stopping too early leaves it firm and opaque, while boiling too long can make it mushy and fall apart.

Swap the cassia

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

  1. Cinnamonfits better
  2. Tarragonfits better
  3. Peppermintfits better
  4. Cassiathe original

Fit is the average pairing score against vinegar, 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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