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Dessert

Quince Preserves

A preserve made by boiling quinces with sugar, water, and lemon, then jarred.

From an old cookbook · modernised transcription
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Why it works: Quince and lemon match in chemistry and in kitchens. They rank in the top 11% of all ingredient pairs, and cooks put them together in 336 recipes. Both carry trans-2-hexenal, which smells green, leafy. The science ↓

Quince Preserves

Ingredients

Directions

Prepare the quinces

  1. Pare, core, and quarter the quinces, then weigh them.

  2. Use equal quantities of sugar and quinces.

Make the syrup

  1. Place the parings and cores in a kettle, cover with water, and boil for 30 minutes.

  2. Strain the liquid through a sieve and return it to the kettle.

  3. If the liquid is scarce, add more water.

  4. Add the sugar to the liquid and boil for 10 minutes before adding the quinces.

Cook and finish

  1. Boil the quinces until tender, lifting them out as they are done.

  2. Boil the quinces until they change color, about 1 hour and 15 minutes, without stirring.

  3. Slice the lemons thinly and add a few pieces to each jar when done.

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. Quince + lemontop 11% of all pairs
    Smell alikestrong
    Cooked together336 recipes

    Shared aroma: trans-2-hexenal (green, leafy).

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

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

  3. Quince + sugartop 21% of all pairs
    Smell alikemoderate
    Cooked together1,444 recipes

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

Sugar and lemon barely smell alike, yet cooks put them together in 53,532 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

Quinces
Provide the fruit and pectin that help the preserves set and hold their shape.
Sugar
Sweetens the preserves and helps preserve them by drawing out water.
Lemons
Add acidity that brightens the flavor and supports pectin setting.

The step that matters

Boil the quinces without stirring until they change color. Stirring can break the tender fruit into pieces and cloud the syrup. Gentle, unstirred boiling keeps the quinces whole while the sugar slowly penetrates and the fruit turns color.

Swap the quince

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

  1. Orangefits better
  2. Limefits better
  3. Vanillafits better
  4. Quincethe original

Fit is the average pairing score against sugar, lemon. 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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