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Dessert

Pumpkin, to Preserve

A method for preserving sliced pumpkin in sugar, lemon, ginger, and water.

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 ↓

Pumpkin, to Preserve

Ingredients

Directions

Prepare the pumpkin

  1. Peel and halve the pumpkin, remove the seeds, and slice thinly.

  2. Lay the slices on a large dish, covering each layer thickly with sugar, and add the lemon juice.

  3. Let the mixture sit for 3 days.

Cook and steep

  1. Transfer the mixture to a preserving pan, add the lemon rind and ginger, and ½ pint of cold water.

  2. Bring slowly to a boil and cook until the pumpkin slices are tender but not broken.

  3. Carefully transfer to an earthenware bowl, cover, and let it sit for 7 days.

Jar and store

  1. Lift the pumpkin slices into jars and strain the syrup into a preserving pan.

  2. Boil the syrup to the "large pearl" degree, pour it over the pumpkin, cover closely, and let it cool.

  3. Store the jars in a cool, dry place.

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
Forms the bulk of the preserve and becomes tender while holding its shape in the syrup.
Preserving sugar
Draws out moisture and, at high concentration, preserves the pumpkin and gives it sweetness.
Lemon juice
Adds acidity that brightens the flavour and helps the preserve keep.
Ground ginger
Adds warm, spicy aroma to the syrup and fruit.

The step that matters

Boiling the syrup to the large pearl degree. Sugar must reach the right concentration to set and preserve the pumpkin; too little cooking leaves a thin syrup that may spoil, while too much makes it hard and crystallised.

Swap the pumpkin

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

  1. Orangefits better
  2. Limefits better
  3. Mangofits better
  4. Pumpkinthe original

Fit is the average pairing score against sugar, lemon, 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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