Preheat oven to 350 degrees.
Use a food processor or blender to cut the bread into fine crumbs.
In another bowl, mash the bananas till smooth.
Add bread crumbs and mix with a fork till combined.
Add egg, chocolate and oil and mix.
If too dry, add more banana.
Make into balls and flatten on a baking tray.
Bake 10-15mins till golden-brown.
*Flax egg= 1tbsp ground flax and 3 tbsp hot water.mix and let it sit a couple of minutes till gloopy. then use in place of an egg.