Spiced Blueberry Jam

Directions

1. If using fresh blueberries, wash, drain and remove any bits of 2. In a 4-quart saucepan, combine the berries, apple-grape mace. Bring to a boil and reduce the heat to medium. Cook at a low boil 20 minutes, stirring often, until very thick. (To test for gelling, put about ½ teaspoon jam on a chilled saucer and place in freezer for 1 minute. If, when cooled, jam wrinkles when touched, it is done. ) Skim the foam from the top of the jam during the cooking time.
2. Ladle into freezer containers, leaving ½-inch headspace. Cool, cover and place in freezer.