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Dessert

Watermel Citron Preserves

Preserves made from watermelon, citron, sugar, lemon juice, and ginger.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 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 ↓

Watermel Citron Preserves

Ingredients

Directions

Prepare the fruit

  1. Cut the fruit into desired shapes.

  2. For every pound of fruit, use one pound of sugar.

  3. Cook the fruit in water until clear, then discard the water.

Make the syrup

  1. Make a rich syrup with the weighed sugar.

  2. Add the juice of the lemons and flavor with ginger.

  3. Add the citron and cook for 15 minutes.

Jar and seal

  1. Fill a jar with the mixture, pour over the hot syrup, and seal.

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

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

  3. 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

Sugar
Sweetens the preserve and, with the fruit, forms a thick syrup that preserves it.
Lemons
Add acidity that brightens flavor and helps the preserve set.
Sound fruit
Provides the bulk and texture of the preserve once cooked until clear.

The step that matters

Cooking the fruit until clear. Fruit cooked in water must be tender and translucent before the syrup is added. Undercooked fruit stays firm and opaque, and the sugar then cannot penetrate evenly, so the preserve may toughen or spoil sooner.

Swap the lemon

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

  1. Lemonthe original
  2. Orangefits about as well
  3. Limefits less well
  4. Vanillafits less well

Fit is the average pairing score against 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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