Cinnamon Roll Brioche Toast Casserole

Prepare the Brioche
0 Cut the brioche, or French toast, horizontally and then vertically until you have 1- 1½ inch cubes.  
2 Place the cubes of bread in a prepared baking sheet spayed with cooking oil spray. 
3 To a blender, add eggs, whole milk, brown sugar, cinnamon, vanilla and blend on high until all the ingredients are well incorporated. 
4 Evenly pour the mixture all over the cubed bread, then cover with foil and bake at 350°F for 35 minutes; 20 minutes covered, then 15 minutes uncovered.  
5 While still warm, evenly spread the frosting using a spatula over the baked brioche bread. Enjoy warm. 
Frosting Directions
7 In a bowl, whisk cream cheese (room temperature) with a hand mixer. 
8 Turn it off, add ½ cup of powdered sugar, ¼ cup of milk, and ½ teaspoon of vanilla.  Whisk on low speed, then high speed, until smooth and whipped.