Chop ciabatta bread into cubes. Place on baking sheet.
Toast in 400 degree oven for 5 minutes.
Melt 2 Tablespoons butter and 2 Tablespoons honey in a small sauce pan.
Add mango and cook over medium low heat for 5 minutes.
Remove mango with a slotted spoon and reserve juices for later use.
Whisk together milk, eggs, 1/2 cup honey, and vanilla.
Add bread and mango. Toss gently to combine.
Divide between 4 ramekins, pouring any remain milk mixture over them.
Place ramekins in a 9 x 9 baking dish.
Carefully add water to halfway up ramekins.
Bake at 350 degrees for 35-40 minutes.
Carefully remove from oven and allow to cool.
Serve with reserved mango juices or ice cream.