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Dessert

Quince Butter

A spread made by cooking quinces and apples with coffee sugar.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 3 ingredients
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Why it works: Quince and apple 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 Butter

Ingredients

Directions

  1. Cook the quinces and apples until well softened.

  2. Add the coffee sugar and boil for 1 hour.

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 + appletop 1% of all pairs
    Smell alikemoderate
    Cooked together506 recipes

    Shared aroma: ethyl isobutyrate (fruity, ethereal).

  2. Coffee + sugartop 17% of all pairs
    Smell alikelow
    Cooked together4,344 recipes

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

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

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

  4. Apple + coffeetop 19% of all pairs
    Smell alikemoderate
    Cooked together215 recipes

    Shared aroma: 4-heptenal (creamy, biscuit).

  5. 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
Provide the main fruit body, pectin and tart aroma that give the butter its flavour and set.
Apples
Add extra pectin and body, helping the mixture thicken as it cooks down.
Coffee sugar
Adds sweetness and, through long boiling, concentrates the mixture into a thick, spreadable texture.

The step that matters

Boiling with the sugar. Once the sugar is added, the mixture must boil steadily for the full hour. Sugar and water evaporate slowly, and enough cooking is needed to concentrate the fruit into a thick butter that holds its shape.

Swap the quince

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

  1. Vanillafits better
  2. Pearfits better
  3. Bananafits better
  4. Quincethe original

Fit is the average pairing score against apple, coffee, 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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