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 8 ounces of sugar for every pound of fruit and mix 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, pectin and flavor that form the jam's body and taste.
- Sugar
- Sweetens the jam and helps it set into a thick, spreadable texture.
The step that matters
Boiling the mixture quickly after adding sugar. Sugar added off the heat must then be boiled vigorously to dissolve fully and concentrate the mixture. Insufficient boiling can leave the jam runny because the set does not form properly.
“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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