Blackberry Jam

METHOD

• • Use only fully ripe fruit.
  • Crush thoroughly.
  • Place the prepared fruit and the sugar in a large saucepan, mix well and heat gently until the sugar has dissolved.
  • Bring to a full rolling boil and boil over the hottest heat.
  • Stir constantly before and while boiling.
  • Boil hard for 2 minutes.
  • Remove from the heat and stir in the Certo.
  • Place back on the heat and boil hard for a further 1 minute.
  • Skim and stir by turns for just 5 minutes.
  • Cool slightly to prevent fruit from floating.
  • Pot and cover in the usual way.

MAKES 5lb OF JAM