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Blackberry Jam
1 pound blackberries
3/4 pounds sugar
Hot sterilized jars and lids
- Wash the fruit thoroughly.
- Crush fruit.
- Weigh fruit and sugar.
- Put fruit and sugar into a heavy kettle large enough for the mixture to boil up. Heat to boiling point, stirring constantly until sugar is dissolved.
- Cook until thick, stirring frequently to prevent burning. The cooking time will be from 10 to 20 minutes, depending on your fruit.
- Jam is done when thick. Pour immediately into hot sterile jars and seal.
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