In the bottom of a greased 9 x 13 casserole dish spread out bread cubes.
Scatter fresh cranberries over the bread cubes.
In a mixing bowl stir whisk eggs.
Add in eggnog, bourbon, maple syrup, vanilla, brown sugar, cinnamon, and nutmeg.
Whisk until fully mixed.
Pour over bread and cranberries.
Cover with aluminum foil and place in your refrigerator overnight.
Bake at 325 degrees for 45 minutes to an hour until the liquid is fully cooked.
Optional - mix together 1 1/2 cups of powdered sugar with 3-4 tablespoons of mix for a sweet glaze and drizzle it over the baked casserole