Spray a 9 x 13 in. pan with Pam

Cut or tear bread into cubes and cover the bottom of the pan

Cut cream cheese into 1 in. cubes and arrange evenly on top of bread

Sprinkle blueberries on top

In a separate bowl, combine eggs, milk and maple syrup/honey

Pour the mixture over the contents of the pan

Cover the pan with foil and refrigerate overnight

For the sauce: Combine sugar and cornstarch with 1 cup water

Heat to boiling, stir 2-3 minutes until thickened

Add blueberries and simmer 8-10 minutes, stirring occasionally

Add butter and turn off heat (sauce may be stored overnight as well)

The next morning: Preheat oven to 350°F

Bake covered casserole for thirty minutes

Uncover and bake for another thirty minutes, or until the top is golden brown and the center is firm

Warm sauce and serve