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Clarified Apples

Apples cooked in a clear sugar syrup with lemon rind and juice.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 4 ingredients
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Why it works: Apple and lemon are a kitchen classic. They rank in the top 14% of all ingredient pairs, and cooks put them together in 7,551 recipes. Both carry trans-2-nonenal, which smells cardboard, fatty. The science ↓

Clarified Apples

Ingredients

Directions

Make the syrup

  1. Make a syrup by combining sugar and water in a saucepan.

  2. Peel, core, and cut the apples into sixths.

Cook the apples

  1. Cook a few apples at a time in the syrup until they become clear.

  2. Remove the apples and drain them.

Finish the syrup

  1. Add the lemon rind and juice to the syrup and boil until thick.

  2. Remove the lemon rind and pour the syrup over the apples.

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 + lemontop 14% of all pairs
    Smell alikemoderate
    Cooked together7,551 recipes

    Shared aroma: trans-2-nonenal (cardboard, fatty).

  2. Sugar + appletop 18% of all pairs
    Smell alikelow
    Cooked together16,478 recipes

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

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

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

Sugar and apple 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

Sugar
Forms the syrup that cooks the apples and gives them sweetness and a glossy coating.
Tart apples
Hold their shape when cooked in syrup, giving the dish its firm, translucent pieces.
Lemon
Adds acidity that brightens the sweet syrup and helps balance its sugar.

The step that matters

Cooking the apples in syrup until clear. Apples cooked too hard or too long will soften and break apart. Cooking a few at a time in gently simmering syrup lets the sugar slowly replace the water in the fruit, so the pieces turn clear while keeping their shape.

Swap the lemon

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

  1. Pearfits better
  2. Vanillafits better
  3. Apricotfits better
  4. Lemonthe original

Fit is the average pairing score against sugar, apple. 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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