1. Grease an 11 by 7 inch (28 x 18cm) baking dish, Place half the bread cubes in the dish, followed by the cream cheese cubes and the blueberries. Top with the remaining bread cubes.
2. In a medium bowl, whisk together the eggs, milk, 1/4 cup of syrup, the melted butter, vanilla, cinnamon, and nutmeg. Pour evenly over the bread, cover with aluminum foil, and refrigerate for 1 hour.
3. Preheat the oven to 325F (163C) and bake, covered, for 30 minutes. Remove the foil and bake for another 25 to 30 minutes, until the center is set and the edges are golden brown.
4. Let stand for 10 minutes before cutting and serving dusted with confectioners' sugar and drizzled with maple syrup.