Barberry Jam
Ingredients
Directions
Prepare and cook
Remove the barberries from the stems and mash them.
Mix the mashed barberries with the brown sugar and Peruvian bark.
Place the mixture in a preserving kettle and boil slowly for 45 minutes, stirring and skimming frequently.
Boil rapidly for 15 minutes, stirring often to prevent sticking.
Jar
Pour the warm jam into a glass or china jar and cover tightly.
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
- Barberries
- Provide the fruit base, along with tartness and aroma that define the jam's flavor.
- Brown sugar
- Adds sweetness and, as the mixture cooks down, thickens the jam and helps preserve it.
The step that matters
Stirring during the boil. Sugar-rich mixtures thicken as water evaporates and can scorch on the bottom of the kettle. Frequent stirring keeps heat even and prevents sticking and burnt flavor.
“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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