Grease a 9x13 dish
Cut bread into squares and place into dish
In a large bowl, add eggs, whole milk, heavy cream, sugar, cinnamon, salt and vanilla. Mix together and pour over bread. Use a spatula to press bread into mixture making sure it's all coated.
Cover and refrigerate for 2 hours but overnight is best!
Preheat oven to 350°F
Add melted butter to top of casserole and bake for 45 minutes
Add berries, dust with powdered sugar and serve with maple syrup
