Add ½ bread cubes to dish. Sprinkle with half of the cream cheese cubes and blueberries. Top with remaining bread cubes, cream cheese and blueberries.
In a large bowl, mix eggs, milk, vanilla and syrup. Pour over bread cubes, making sure everything gets well coated. Cover and refrigerate overnight.
BAKE: Remove baking dish from refrigerator 30 minutes before baking. Preheat oven to 350°F.
Cover dish with nonstick foil (or spray foil with cooking spray) and bake for 30 minutes. Uncover and continue to bake for 25 minutes, or until cooked through and starts to brown. Serve warm.
Recipe by Alida's Kitchen at https://www.alidaskitchen.com/2014/03/23/overnight-blueberry-baked-french-toast/