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Apple and Peach Preserves

A preserve made by boiling apples or peaches with sugar and water, optionally adding lemon juice or pits.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 5 ingredients
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Why it works: Peach and lemon work together. They rank in the top 12% of all ingredient pairs, and cooks put them together in 947 recipes. Both carry trans-2-nonenal, which smells cardboard, fatty. The science ↓

Apple and Peach Preserves

Ingredients

Directions

Make the syrup

  1. Peel, halve, and remove pits from peaches; quarter apples.

  2. In a saucepan, combine ¾ pound sugar with 1 pint water to make a syrup.

  3. For peach preserves, boil the pits in the water before adding the sugar for extra flavor.

  4. Boil the syrup until thick.

Cook the fruit

  1. Add a little fruit at a time to the syrup and boil until transparent.

  2. Skim the fruit into cans and repeat until all fruit is cooked.

  3. For apple preserves, add lemon juice or sliced lemon if desired.

Can and seal

  1. Drain the thin syrup from the cans back into the kettle and boil until thick.

  2. Pour the boiling syrup over the fruit in the cans and seal.

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. Peach + lemontop 12% of all pairs
    Smell alikemoderate
    Cooked together947 recipes

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

  2. Peach + sugartop 17% of all pairs
    Smell alikelow
    Cooked together2,308 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 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

Peaches or apples
Provides the bulk and flavor; it softens and turns transparent as it cooks in the syrup.
Sugar
Thickens the syrup and sweetens the fruit; concentrated sugar draws water out and helps preserve it.

The step that matters

Boiling the syrup until thick. Sugar concentration thickens the syrup and lets the fruit take up sweetness. Syrup that is not boiled thick enough stays thin, so the preserves are watery and less stable in the cans.

Swap the peach

The recipe marks peach as optional. How well each one fits the dish's main ingredients (sugar, lemon):

  1. Orangefits better
  2. Limefits better
  3. Vanillafits better
  4. Peachthe 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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