Black Cherry Jam

In a large pan dissolve the sugar in the apple pectin over low heat, stirring occaisionally to keep the sugar from sticking. Pit the cherries . Tie several of the pits in a piece of cheesecloth and crack them with a rolling pin. Add the cheesecloth bag to the pan. Bring the syrup in the pan to a boil and add the pitted cherries. Bring the syrup back to a boil, cook the mixture rapidly for 15 minutes or until the jellying point is reached.

Ladle the jam into warm sterilized jars and seal.