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Dessert

Preserved Pumpkins

A preserved pumpkin made by layering pumpkin slices with sugar, lemon juice, and optional ginger and rind, then boiling and syruping.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 6 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 Pumpkins

Ingredients

Directions

Prepare the pumpkin

  1. Select a good, sweet pumpkin.

  2. Halve it, remove the seeds, and peel the rind.

  3. Cut into neat slices.

  4. Weigh the pumpkin and layer the slices in a pan with sugar sprinkled between each layer.

  5. Pour lemon juice over the top and let sit for 2-3 days.

Cook and rest

  1. Boil the pumpkin and sugar mixture, adding ½ pint of water for every 3 pounds of sugar, until the pumpkin is tender.

  2. Transfer the mixture to a pan and let it sit for a week.

Finish the syrup

  1. Drain off the syrup, boil it until thick, skim, and pour it boiling over the pumpkin.

  2. For added flavor, you may boil bruised ginger and thinly pared lemon rind in the syrup.

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. Pumpkin + gingertop 9% of all pairs
    Smell alikemoderate
    Cooked together1,158 recipes

    Shared aroma: coumarin (sweet, hay).

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

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

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

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

  5. Pumpkin + lemontop 19% of all pairs
    Smell alikemoderate
    Cooked together600 recipes

    Shared aroma: 1-octen-3-ol (mushroom, earthy).

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

Pumpkin
Provides the bulk of the preserve, becoming tender and holding its shape in syrup.
Loaf sugar
Draws out moisture and forms a thick syrup that preserves the pumpkin and gives sweetness.
Lemon juice
Adds acidity that brightens the sweetness and helps preserve the pumpkin.

The step that matters

Boiling the syrup until thick. Sugar concentration must become high enough to preserve the pumpkin. Boiling the syrup thick before pouring it boiling over the fruit helps it set and keeps the pumpkin from spoiling.

Swap the lemon

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

  1. Vanillafits better
  2. Cherryfits better
  3. Coconutfits about as well
  4. Lemonthe original

Fit is the average pairing score against pumpkin, 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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