Red Raspberry Jam
Ingredients
Directions
Make the syrup
Combine sugar and water in a pot to make a syrup.
Boil until almost ready to turn back to sugar.
Make the jam
Stir in mashed raspberries.
Boil together for 10 minutes.
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
- Sugar
- Sweetens the jam, thickens it as it cooks, and helps preserve it by binding water.
- Red raspberries
- Provide the fruit flavor, color, and body that make up most of the jam.
The step that matters
Boil the syrup until almost ready to turn back to sugar. Sugar concentration controls how the jam sets and how firm it becomes. Boiling too little leaves it runny, while boiling too far makes it hard and grainy. Stop just short of that point.
“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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