Preheat oven to 400°F. Lightly grease a 6x10" baking dish with butter or cooking spray.
Add the milk, cream and choppedchocolate in a small saucepan over medium heat and cook, stirring, until just below the boil and chocolate is melted and combined. Remove from the heat and set aside.
Add the eggyolks, sugar, spices, and salt to a large bowl and whisk to combine. Add a small amount of the warmmilkmixture and whisk well to temper the eggs. Then gradually whisk the remaining milk mixture until combined.
Tear croissants into pieces and arrange in the prepared baking dish. Pour the chocolatecustard evenly over the croissants and bake for 15-20 minutes or until golden brown and set. Dust with confectioners sugar to serve.