1. Spray a nonstick skillet with nonstick cooking spray.
2. In a wide, shallow bowl, combine the egg, milk, vanilla extract and cinnamon, using a wire whisk.
3. Soak the bread in the egg mixture one slice at a time, then transfer to the prepared skillet. Cook over medium heat until crispy, about 2 minutes, then flip and cook the other side an additional minute.
4. To serve, top with berries.