2 lbs. cooking apples
2/3 c. water
1/2 c. lemon juice
2 lbs. blackberries
4 lbs. sugar

Peel, core and slice apples. Put apples in saucepan with water and lemon juice, simmer about 10 minutes until tender. Add the blackberries and sugar and cook, stirring constantly, over low heat until sugar is dissolved. Bring to a boil and boil rapidly until the setting point is reached. Pour into warm sterilized jars and seal immediately.