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Dessert

Jams and Jellies

A method for making fruit jam and jelly by cooking fruit with water and sugar.

From an old cookbook · modernised transcription
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Jams and Jellies

Ingredients

Directions

Prepare the fruit

  1. Prepare the fruit: peel, core, and slice kernel fruits; stem berries; peel, stone, and quarter stone fruits.

  2. Cook the prepared fruit with enough water to boil until soft.

Make the jelly

  1. For jelly, transfer the cooked fruit to a bag or press to extract juice.

  2. Evaporate the juice with sugar until it reaches a density of 30° to 32° B.

  3. Pour the hot jelly into tumblers for storage.

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

What each ingredient does

Fruit
Provides the flavour and pectin that help the jelly set.
Pure cane sugar
Sweetens the jelly and helps it set by binding water as it thickens.

The step that matters

Evaporate the juice with sugar to 30° to 32° B. Jelly sets only when enough sugar and pectin are concentrated into the right density. Too little cooking leaves a runny jelly, while overcooking can make it stiff or grainy.

“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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