Canned Blackberries
Ingredients
Directions
Prepare
Sprinkle sugar over the blackberries.
Let sit in a warm place until the juice settles.
Cook and can
Boil for 15 minutes.
Put into cans and seal immediately.
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
- Blackberries
- Provide the fruit, juice and body of the preserve.
- Sugar
- Sweetens the fruit and draws out juice while it sits, and helps preserve it.
The step that matters
Put into cans and seal immediately.. Sealing while the contents are still hot lets the heat drive out air and helps create a vacuum seal as the jar cools, which keeps the fruit from spoiling.
“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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