Blackberry Jam (Sure-Set Jam)

2 kg (4 1/2 lb) approximately.
Blackberry Jam (Sure-Set Jam)
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Ingredients

  • 1 kg (2 1/4 lb) Siúcra Sure-Set jam Sugar
  • 1 kg (2 1/4 lb) Blackberries fresh or frozen

Wash and drain the fruit, then mash, crush or liquidise and place in a large saucepan.

Add the Sure-Set and heat stirring until it is dissolved, then bring to the boil and boil vigorously for 4 minutes. (See 'Adding Sure-Set' for details on boiling and timing).

Pot and cover in the usual way; label and date. (See 'Potting and covering' for details).