Coat six 8-ounce ramekins with cooking spray.
Combine bread cubes and mango (or pineapple) in a medium bowl.
Divide the mixture among the prepared ramekins.
Whisk coconut milk, egg, egg white, brown sugar, butter, vanilla, allspice, cinnamon, nutmeg and 2 tablespoons coconut in a medium bowl.
Pour over the bread mixture in each ramekin.
Let stand for 5 minutes.
Sprinkle with the remaining 2 tablespoons coconut.
Arrange 3 of the ramekins in the basket of a 6- to 9-quart air fryer.
Cook at 350℉ until set, 15 to 17 minutes (they'll be a little loose at this stage).
Carefully remove to a wire rack to cool.
Repeat with the remaining ramekins.
Let stand for 10 minutes before serving.
