Coat inside of Crockpot™ slow cooker with nonstick cooking spray. Combine milk and eggs in large bowl. Add bread; set aside to soak.
Combine flour, brown sugar, cinnamon, baking soda, cloves and mace in large bowl. Add orange juice and vanilla; stir until smooth. Add raisins, plums and candied fruit; stir until blended.
Place bread in Crockpot™ slow cooker. Pour fruit mixture over bread. Cover; cook on LOW 6 to 7 hours or on HIGH 2 to 4 hours. Serve warm.