Apple And Blackberry Jam

METHOD

• Core and peel the apples, cut into small pieces and put into large saucepan with 1⁄4 pint (140ml) of water.
• Bring to the boil and simmer for 15 minutes.
• Crush blackberries thoroughly and put into another pan with 4 tablespoons (60ml) of water.
• Simmer for 10-15 minutes.
• Place in jelly cloth and allow the juice to drain. Measure and add water, if necessary, to make 1 pint (570ml).
• Add to apple pulp with sugar and lemon juice.
• Heat slowly until the sugar has dissolved, stirring continually.
• Bring to a full rolling boil and boil for 2 minutes.
• Remove from the heat and stir in the Certo.
• Skim, pot and cover in the usual way.