Spray your baking dish with non-stick cooking spray. Dice the 1/2 loaf brioche breadinto cubes.
In a large mixing bowl, mix together the 3 large eggs, 7 ounces evaporated milk 7.5 ounces unsweetened condensed milk, 1/2 tablespoon pure vanilla extract, and 1/4 teaspoon ground cinnamon, mix until smooth.
Fold in the bread, coating them well.
Transfer the bread to the prepared baking dish. Cover and refrigerate overnight.
Add the 1/2 cup mini chocolate chips on top.
Set the baking pan into the air fryer, and set the air fryer temperature to 320 degrees F, air fryer setting, and set cook time for 12-15 minutes, or until the casserole is fully cooked
Serve with 1 1/2 tablespoon powdered sugar and a drizzle of 1/4 cup maple syrup.