Strawberry Jam
Ingredients
Directions
Prepare the fruit
Sort out defective berries and wash them.
Mash the strawberries thoroughly.
Make the jam
Add 1½ cups of sugar to the mashed strawberries.
Cook slowly for 20 minutes or until the jam reaches the desired thickness.
Jar and seal
Pack the jam in sterilized jars.
Cover with paraffin or seal.
Process in a hot-water bath for 5 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
- Strawberries
- Provide the fruit flavor, pectin-containing body, and bulk of the jam.
- Sugar
- Sweetens the jam and helps it thicken and keep as it cooks.
The step that matters
Cook slowly until thickened. Cooking too briefly leaves the jam runny, while overcooking can make it stiff and caramelized. Sugar and fruit must reach a set point for the jam to gel as it cools.
“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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