2. Wash the berries in cold water and drain well.
4. Add the blackberries to the cooked apple and continue to cook until all the fruit has softened.
9. Pour into sterilised jars add a wax disk and then seal with a lid immediately.
There is nothing nicer than on a cold crisp winter morning, to wake up to a freshly brewed cup of coffee in your favourite mug and a warm slice of toasted bread topped with lashings of homemade Blackberry and Apple Jam