Spiced blueberry jam

1. If using fresh blueberries, wash, drain and remove any bits of stem.
2. In a 4-quart saucepan, combine the berries, apple-grape sweetener, orange juice, water, cinnamon, nutmeg, cloves and mace.
3. Bring to a boil and reduce the heat to medium.
4. Cook at a low boil 20 minutes, stirring often, until very thick.
5. (to test for gelling, put about