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Dessert

Marmalade of Quinces

A preserve made by stewing sliced quinces with sugar, lemon juice, and water until tender, then mashing and simmering with syrup.

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 ↓

Marmalade of Quinces

Ingredients

Directions

The book gives no oven temperature. The 300°F (150°C) in the steps was added when the recipe was transcribed, as a starting point.

Prepare

  1. Pare and slice the quinces thinly.

  2. In an earthen pot, layer the quinces and sugar.

  3. Squeeze in the lemon juice and add the water.

  4. Cover with writing paper and a plate.

Stew

  1. Place in a 300°F (150°C) oven and stew for 2-3 hours.

  2. Let it stand overnight.

  3. Repeat the stewing process the next day until the quinces are tender.

Finish and store

  1. Strain the syrup.

  2. Mash the quinces in a marble mortar.

  3. Combine the mashed quinces with the syrup in a stew-pan.

  4. Boil for 20 minutes, skimming off any scum.

  5. Once cooled, transfer to pots for storage.

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 body and pectin that thickens the marmalade as it stews and reduces.
Sugar
Sweetens the fruit and, at high concentration, helps the marmalade set and keep.
Lemon juice
Adds acidity that brightens flavour and supports pectin gel formation.

The step that matters

Repeat the stewing until the quinces are tender. Quince is very firm and pectin-rich; if it is not fully softened before boiling, the pieces stay hard and the set is uneven. Slow stewing over days softens the fruit gently without breaking it down too quickly.

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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