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Canning and Preserving

A method for preserving various fresh fruits by canning them in water.

From an old cookbook · modernised transcription
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Why it works: Peach and pear match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 114 recipes. Both carry 2,4-decadienal, which smells seaweed. The science ↓

Canning and Preserving

Ingredients

Directions

Prepare the jars

  1. Fill jars with fruit and pour in enough water to fill the jars.

  2. Adjust the rubber seals and place the lids on top without fastening.

Process

  1. Stand the jars in a water boiler on a rack.

  2. Surround the jars with cold water and cover the boiler.

  3. Bring to a boil and boil strawberries, blackberries, raspberries, and currants for 20 minutes; cherries for 45 minutes; pineapples and peaches for 30 minutes.

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 + peartop 1% of all pairs
    Smell alikestrong
    Cooked together114 recipes

    Shared aroma: 2,4-decadienal (seaweed).

  2. Pineapple + peartop 2% of all pairs
    Smell alikestrong
    Cooked together169 recipes

    Shared aroma: ethyl isobutyrate (fruity, ethereal).

  3. Pineapple + peachtop 3% of all pairs
    Smell alikestrong
    Cooked together168 recipes

    Shared aroma: delta-dodecalactone (sweet, creamy).

  4. Currant + peachtop 15% of all pairs
    Smell alikemoderate
    Cooked together88 recipes

    Shared aroma: ethyl cinnamate (sweet, balsamic).

  5. Currant + pineappletop 15% of all pairs
    Smell alikelow
    Cooked together142 recipes

    Shared aroma: ethyl cinnamate (sweet, balsamic).

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Fresh fruit
Forms the preserved contents; its type sets the required boiling time.

The step that matters

Boiling time for each fruit. Denser fruits such as cherries need longer heat to reach the centre safely, while soft berries need less. Boiling for the wrong length leaves the fruit underprocessed or overcooked and mushy.

Swap the currant

How well each one fits the dish's main ingredients (pineapple, peach, pear):

  1. Plumfits better
  2. Apricotfits better
  3. Vanillafits better
  4. Currantthe original

Fit is the average pairing score against pineapple, peach, pear. 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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