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Rules for Canning Fruits

Instructions for boiling various fruits with specified sugar amounts for canning.

From an old cookbook · modernised transcription
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Why it works: Pear and bartlett pear share more aroma than cooks usually use. They rank in the top 2% of all ingredient pairs, and 19 recipes mention both. Both carry 2-methylbutyl acetate, which smells fruit. The science ↓

The recipe

Ingredients

Directions

  1. Boil sour pies for 10 minutes.

  2. Boil small sour pears for 30 minutes.

  3. Boil Bartlett pears for 20 minutes.

  4. Boil cherries for 5 minutes.

  5. Boil raspberries for 6 minutes.

  6. Boil plums for 10 minutes.

  7. Boil blackberries for 6 minutes.

  8. Boil strawberries for 8 minutes.

  9. Boil whortleberries for 5 minutes.

  10. Boil sliced pie-plant for 10 minutes.

  11. Boil whole peaches for 15 minutes.

  12. Boil peach halves for 8 minutes.

  13. Boil whole crab apples for 25 minutes.

  14. Boil ripe currants for 6 minutes.

  15. Boil grapes for 10 minutes.

  16. Boil sliced pineapples for 15 minutes.

  17. Boil gooseberries for 8 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 aroma chemistry they share, and how many recipes mention both.

  1. Pear + bartlett peartop 2% of all pairs
    Aroma overlapstrong
    Mentioned together19 recipes

    Shared aroma: 2-methylbutyl acetate (fruit).

  2. Pear + plumtop 1% of all pairs
    Aroma overlapstrong
    Mentioned together241 recipes

    Shared aroma: 2-methylbutyl acetate (fruit).

  3. Pear + appletop 1% of all pairs
    Aroma overlapstrong
    Mentioned together648 recipes

    Shared aroma: isoamyl acetate (banana, fruity).

  4. Plum + peachtop 1% of all pairs
    Aroma overlapstrong
    Mentioned together161 recipes

    Shared aroma: methyl cinnamate (strawberry).

  5. Plum + appletop 2% of all pairs
    Aroma overlapstrong
    Mentioned together398 recipes

    Shared aroma: methyl cinnamate (strawberry).

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

What each ingredient does

Sugar
Sweetens the fruit and helps preserve its shape and texture during boiling.

Flavor stand-ins for the currant

How well each one fits the dish's main ingredients (sugar, pear, bartlett pear, plum, peach, crab, apple):

  1. Apricotbetter flavor fit
  2. Vanillabetter flavor fit
  3. Grapebetter flavor fit
  4. Currantthe original

Fit is the average pairing score against sugar, pear, bartlett pear, plum, peach, crab, apple. Candidates are from the same food group and used in at least 100 recipes. This compares flavor only: it does not check the job the ingredient does in the dish (bulk, moisture, acidity, structure).

“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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