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Dessert

Raspberry Jam

A sweet preserve made by boiling raspberries with sugar until thick.

From an old cookbook · modernised transcription
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Raspberry Jam

Raspberry Jam

Ingredients

Directions

  1. Mash the raspberries with a wooden spoon until smooth.

  2. In a pot, combine the mashed raspberries and sifted sugar.

  3. Boil the mixture for 30 minutes, stirring continuously to prevent burning.

  4. Once thickened, pour the jam into pots 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.

Photo for illustrative purposes only · Contact us to use it

Explore the science

What each ingredient does

Raspberries
Provide the fruit flavor, natural pectin, and bulk of the jam.
Sugar
Sweetens the jam and helps it thicken and set while preserving it.

The step that matters

Stirring while boiling. Sugar-rich mixtures can scorch on the bottom of the pot, which gives a burnt taste. Constant stirring spreads heat evenly and keeps the jam from sticking while it thickens.

“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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