In bowl, whisk the milk, eggs, sugar and cinnamon.
Cut bread into 1/2 inch slices and spread on bottom of 8×8 baking dish or equivalent.
Pour egg mixture over bread. Cover with plastic wrap and refrigerate overnight.
In the morning, preheat oven to 350. Uncover and sprinkle with blueberries.
Bake 35-40 minutes, until golden brown on top and eggs have cooked through.
Sprinkle with powdered sugar and serve warm with syrup and fruit!