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Quince and Apple Preserve

A preserve made from sour apples and quinces simmered in water and sugar.

From an old cookbook · modernised transcription
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Why it works: Apple and quince work together. They rank in the top 1% of all ingredient pairs, and cooks put them together in 506 recipes. Both carry ethyl isobutyrate, which smells fruity, ethereal. The science ↓

Quince and Apple Preserve

Ingredients

Directions

Prepare the fruit

  1. Pare, core, and quarter the sour apples.

  2. Pare, core, and cut the quinces into eighths.

Make the preserve

  1. Make a syrup with 1 quart of water and ¾ cup of sugar for every pound of combined apples and quinces.

  2. Add the quinces to the syrup and cook for 30 minutes.

  3. Add the apples and cook until both are tender and well preserved.

  4. Seal the preserve.

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. Apple + quincetop 1% of all pairs
    Smell alikemoderate
    Cooked together506 recipes

    Shared aroma: ethyl isobutyrate (fruity, ethereal).

  2. Apple + sugartop 18% of all pairs
    Smell alikelow
    Cooked together16,478 recipes

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

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

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

Apple and sugar barely smell alike, yet cooks put them together in 16,478 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
Firm fruit that becomes tender and adds a distinctive aroma and tartness as it cooks.
Sour apples
Provide acidity and pectin that help the preserve set and hold its shape.
Sugar
Sweetens the preserve and helps preserve the fruit by drawing out moisture.

The step that matters

Add the apples after the quinces have cooked for 30 minutes. Quinces are much firmer than apples and need a head start in the syrup. Adding both together can leave the apples overcooked and mushy before the quinces soften.

Swap the quince

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

  1. Pearfits better
  2. Vanillafits about as well
  3. Apricotfits about as well
  4. Quincethe original

Fit is the average pairing score against apple, sugar. 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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