Strawberry Jam
Ingredients
Directions
Prepare
Remove the stalks from the strawberries and weigh them.
Cook the jam
Boil the strawberries for 35 minutes, stirring constantly.
Add 3 lbs of granulated sugar, mixing well off the heat.
Boil the mixture quickly for another 25 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 bulk, flavor, and natural pectin that help the jam gel.
- Granulated sugar
- Adds sweetness, helps the jam set, and acts as a preservative.
The step that matters
Boil the mixture quickly after adding the sugar. Sugar and pectin only set properly when the mixture reaches a hard, rapid boil that drives off water. A gentle simmer leaves the jam runny, so it needs a vigorous boil.
“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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