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Dessert

Pumpkin-chips

A sweet preserve made from pumpkin, sugar, and citrus peel, boiled until thick.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 ingredients
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Why it works: Orange and ginger match in chemistry and in kitchens. They rank in the top 4% of all ingredient pairs, and cooks put them together in 1,833 recipes. Both carry 1-octen-3-one, which smells mushroom, metallic. The science ↓

Pumpkin-chips

Ingredients

Directions

Prepare

  1. Combine equal quantities of sugar and pumpkin in a bowl.

  2. Sprinkle the sugar over the pumpkin and let it sit overnight.

  3. Add the orange or lemon slices to the pumpkin mixture.

Cook and set

  1. Boil until the pumpkin is clear and the citrus peel is soft.

  2. Remove the mixture and place it on a dish in the sun for 30 minutes.

  3. Boil the syrup until thick, then return the preserves to the pot.

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. Orange + gingertop 4% of all pairs
    Smell alikestrong
    Cooked together1,833 recipes

    Shared aroma: 1-octen-3-one (mushroom, metallic).

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

    Shared aroma: coumarin (sweet, hay).

  3. Pumpkin + orangetop 16% of all pairs
    Smell alikemoderate
    Cooked together266 recipes

    Shared aroma: 2-methoxy-4-vinylphenol (clove, smoky).

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

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

  5. Sugar + orangetop 20% of all pairs
    Smell alikelow
    Cooked together19,212 recipes

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

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 body of the preserves and becomes translucent as it cooks in syrup.
Sugar
Draws moisture out of the pumpkin and, once thickened, preserves and sweetens the fruit.
Orange or lemon
Adds acidity and aroma, and its peel softens during cooking.

The step that matters

Boil the syrup until thick, then return the preserves to the pot.. Sugar must be concentrated enough to thicken the syrup and stop the pumpkin from spoiling. Undercooking leaves the syrup thin and the preserves prone to fermenting, while overcooking makes them hard and sticky.

Swap the ginger

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

  1. Cinnamonfits better
  2. Gingerthe original
  3. Allspicefits less well
  4. Nutmegfits less well

Fit is the average pairing score against pumpkin, sugar, orange. 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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