Blueberries and Cream Croissant French Toast Bake

Name: Blueberries and Cream Croissant French Toast Bake
Ingredients: 6 large Eggs (beaten); 1 ½ cups Milk; 2 tablespoons Maple syrup; 1 tablespoon Vanilla extract; 1 ½ teaspoon Cinnamon; 2 tablespoon Sugar (optional (but recommended) ); ½ teaspoons Salt; 12 Croissants (roughly torn); 1 cup Blueberries (fresh or frozen); 8 ounces Cream cheese (cubed ); 6 tablespoons Butter (thinly sliced (salted or unsalted)); 1 cup Heavy cream; 2 teaspoons Vanilla extract; Powdered sugar and maple syrup (to serve)