Greengage Jam, or Marmalade
Ingredients
Directions
Cook the fruit
Boil the greengages quickly without sugar for 50 minutes, stirring well.
Set and jar
Add 4½ lbs of powdered sugar to the fruit and boil for an additional 5 to 8 minutes.
Skim off any scum before pouring the jam into jars.
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
- Greengages
- Provide the main fruit flavour and the bulk of the marmalade.
- Powdered sugar
- Adds sweetness and, with heat, helps the jam thicken and keep.
The step that matters
Adding the sugar and boiling for the stated time. Sugar is added only after the fruit has cooked down, then boiled for the stated 5 to 8 minutes. Sugar and heat together make the jam set. Boiling too long can make it stiff and caramelised, while stopping too early can leave it runny.
“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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