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Dessert

Raspberry Jam

A preserve made by cooking raspberries with sugar until smooth.

From an old cookbook · modernised transcription
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Raspberry Jam

Raspberry Jam

Ingredients

Directions

  1. Combine raspberries and sugar in a pan and let them sit for 2 to 3 hours.

  2. Boil the mixture in a porcelain kettle, skimming off any scum that rises.

  3. Mash the mixture.

  4. Continue boiling until it reaches a smooth marmalade consistency.

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, bulk and natural pectin that help the jam set.
Granulated sugar
Sweetens the jam and draws out juice, and helps it thicken and keep.

The step that matters

Boiling to the right consistency. Boiling drives off water and concentrates sugar and pectin so the jam sets. Stopping too early leaves it runny, while boiling too long can scorch it or make it stiff.

“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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